ebook NATIONAL CYBER OLYMPIAD
5
Years (2012-2016) Solved Papers
CLASS
5
INSTANT
Copyright © 2017 Science Olympiad Foundation. Printed with the permission of Science Olympiad Foundation. No part
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Disclaimer : The information provided in this book is to give you the path to success but it does not guarantee 100% success as the strategy is completely dependent on its execution and, it is based on previous years' papers of NCO exam.
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CLASS 5
Contents ÂÂ 12th NCO 2012 - SET A ÂÂ 12th NCO 2012 - SET B ÂÂ 13th NCO 2013 - SET A ÂÂ 13th NCO 2013 - SET B ÂÂ 14th NCO 2014 - SET A ÂÂ 14th NCO 2014 - SET B ÂÂ 15th NCO 2015 - SET A ÂÂ 15th NCO 2015 - SET B ÂÂ 16th NCO 2016 - SET A ÂÂ 16th NCO 2016 - SET B
MTG WORKBOOKS / OLYMPIAD BOOKS Check complete details on www.mtg.in
CLASS 1
International Mathematics Olympiad
Reasoning
Learning English
National Science Olympiad
Maths Practice-cumWorkbook
Learning Mathematics
National Cyber Olympiad
Science Practice-cumWorkbook
International English Olympiad
Learning Computers
Learning & Knowing
International General Knowledge Olympiad
Learning Science
Anubhuti
MTG WORKBOOKS / OLYMPIAD BOOKS Check complete details on www.mtg.in
CLASS 2
International Mathematics Olympiad
Reasoning
Learning English
National Science Olympiad
Maths Practice-cumWorkbook
Learning Mathematics
National Cyber Olympiad
Science Practice-cumWorkbook
International English Olympiad
Learning Computers
Learning & Knowing
International General Knowledge Olympiad
Learning Science
Anubhuti
MTG WORKBOOKS / OLYMPIAD BOOKS Check complete details on www.mtg.in
CLASS 3
International Mathematics Olympiad
Reasoning
Learning English
National Science Olympiad
Maths Practice-cumWorkbook
Learning Mathematics
National Cyber Olympiad
Science Practice-cumWorkbook
International English Olympiad
Learning Computers
Learning & Knowing
International General Knowledge Olympiad
Learning Science
Anubhuti
MTG WORKBOOKS / OLYMPIAD BOOKS Check complete details on www.mtg.in
CLASS 4
International Mathematics Olympiad
Reasoning
Learning English
National Science Olympiad
Maths Practice-cumWorkbook
Learning Mathematics
National Cyber Olympiad
Science Practice-cumWorkbook
International English Olympiad
Learning Computers
Learning & Knowing
International General Knowledge Olympiad
Learning Science
Anubhuti
MTG WORKBOOKS / OLYMPIAD BOOKS Check complete details on www.mtg.in
CLASS 5
International Mathematics Olympiad
Reasoning
Learning English
National Science Olympiad
Maths Practice-cumWorkbook
Learning Mathematics
National Cyber Olympiad
Science Practice-cumWorkbook
International English Olympiad
Learning Computers
Learning & Knowing
International General Knowledge Olympiad
Learning Science
Anubhuti
MTG WORKBOOKS / OLYMPIAD BOOKS Check complete details on www.mtg.in
CLASS 6
International Mathematics Olympiad
National Science Olympiad
National Cyber Olympiad
International English Olympiad
International General Knowledge Olympiad
Reasoning
Maths Practice-cumWorkbook
Science Practice-cumWorkbook
Learning Computers
Learning Mathematics
Learning & Knowing
Anubhuti
MTG WORKBOOKS / OLYMPIAD BOOKS Check complete details on www.mtg.in
CLASS 7
International Mathematics Olympiad
National Science Olympiad
National Cyber Olympiad
International English Olympiad
International General Knowledge Olympiad
Reasoning
Maths Practice-cumWorkbook
Science Practice-cumWorkbook
Math IQ Challenge
Science IQ Challenge
Learning Computers
Learning Mathematics
Master Mental Ability in 30 Days
Learning & Knowing
Anubhuti
MTG WORKBOOKS / OLYMPIAD BOOKS Check complete details on www.mtg.in
CLASS 8
International Mathematics Olympiad
National Science Olympiad
National Cyber Olympiad
International English Olympiad
International General Knowledge Olympiad
Reasoning
Maths Practice-cumWorkbook
Science Practice-cumWorkbook
Math IQ Challenge
Science IQ Challenge
Learning Computers
Learning Mathematics
Master Mental Ability in 30 Days
Learning & Knowing
Anubhuti
MTG WORKBOOKS / OLYMPIAD BOOKS Check complete details on www.mtg.in
CLASS 9
International Mathematics Olympiad
National Science Olympiad
National Cyber Olympiad
International English Olympiad
International General Knowledge Olympiad
Reasoning
Math IQ Challenge
Science IQ Challenge
Master Mental Ability in 30 Days
Psychology of Success
MAT for NTSE
NTSE Explorer
MTG WORKBOOKS / OLYMPIAD BOOKS Check complete details on www.mtg.in
CLASS 10
International Mathematics Olympiad
National Science Olympiad
National Cyber Olympiad
International English Olympiad
International General Knowledge Olympiad
Reasoning
Math IQ Challenge
Science IQ Challenge
Master Mental Ability in 30 Days
Psychology of Success
MAT for NTSE
NTSE Explorer
MTG WORKBOOKS / OLYMPIAD BOOKS Check complete details on www.mtg.in
CLASS 11
International Mathematics Olympiad
National Science Olympiad
National Cyber Olympiad
Math IQ Challenge
Science IQ Challenge
Master Mental Ability in 30 Days
Psychology of Success
NEET Success Blueprint
MTG WORKBOOKS / OLYMPIAD BOOKS Check complete details on www.mtg.in
CLASS 12
International Mathematics Olympiad
National Science Olympiad
National Cyber Olympiad
Math IQ Challenge
Science IQ Challenge
Master Mental Ability in 30 Days
Psychology of Success
NEET Success Blueprint
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For Classes 6, 7, 8, 9, 10, 11 & 12 Class 6
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Class 5 12th
Set A Year 2012
2
12th NCO - Set-A
MENTAL ABILITY 1. What is the value of 47896 + 10909 + 23479? (A) 58805 (B) 82284 (C) 34388
(D) 71375
2. Which of the following figures has the largest shaded area (area of 1
= 1 square
units) ?
(B)
(A)
(C)
(D)
3. What are the fractions indicated at X and Y respectively ?
1 1 (A) 1 , 1 6 2
1 2 (B) 1 , 1 3 3
1 5 (C) 1 , 1 3 6
2 4 (D) 1 , 1 3 5
4. How many numbers between 1 and 20 are common multiples of 2 and 3? (A) 1 (B) 2 (C) 3 (D) 4 5. Find the perimeter of the given figure (not drawn to scale).
(A) 45 cm
(B) 58 cm
(C) 60 cm
(D) 55 cm
5 cm
4 cm 8 cm
5 cm
3 cm 8 cm 3 cm
16 cm
6. What is the value of 2 in 1928751 ? (A) 2 thousand (C) 20 hundred thousand
3 cm
(B) 20 thousand (D) 20 million
7. How many of the following letters have only line of symmetry ?
(A) 1
(B) 2
(C) 3
(D) 0
8. The table given below shows the sales record of a provision shop from Monday to Wednesday in a certain week. Day
Monday
Tuesday
Wednesday
What is the difference between the highest sale and lowest sale ? (A) ` 320 (B) ` 2835 (C) ` 2575 (D) ` 3835
3
12th NCO - Set-A
9. Which of the following numbers has a remainder of 1 when it is divided by 7?
(A) 3981
(B) 1807
(C) 5687
(D) 4444
10. Match the improper fractions in Column I to mixed fractions in Column II.
(a)
Column I 17 3
(b) 23 4 9 (c) 2
Column II
(i) 4
1 2
(ii) 19
2 4
(iii) 5
2 3 3 4
(d)
37 8
(iv) 5
(e)
78 4
(v) 4 5 8
(A) (a)-(iii); (b)-(iv); (c)-(i); (d)-(ii); (e)-(v)
(B) (a)-(ii); (b)-(iv); (c)-(i); (d)-(iii); (e)-(v)
(C) (a)-(iv); (b)-(iii); (c)-(i); (d)-(ii); (e)-(v)
(D) (a)-(iii); (b)-(iv); (c)-(i); (d)-(v); (e)-(ii)
Logical and Analytical Reasoning 11. The number of unit cubes required to make the given figure is ______.
(A) 20
(B) 21
(C) 19
(D) 22
12. Find the missing number.
(A) 328
(B) 421
(C) 630
(D) 810
13. Study the adjoining figure and answer the given question. After turning anticlockwise through 225°, Aditya end up facing the Hawker Centre. What was Aditya facing at the start ?
(A) Market
(B) Bus-stop
(C) Bank
(D) Library
4
12th NCO - Set-A
14. A radio station is having a contest. The third caller to answer the question correctly would win a free trip to London. Mohit called in first, followed by Ashu, Anuj, Manoj, Kabir, John and Mohan. However, the second, fourth and fifth callers did not give the correct answer. The winner of the contest is _____.
(A) Manoj
(B) Mohan
(C) John
(D) Kabir
15. If A = 16, C = 8, D = 3, and B = 9 then C + A × B ÷ D = ?
(A) 27
(B) 56
(C) 72
(D) 54
16. Some letters are given which are numbered 1, 2, 3, 4, 5 and 6. Find the combination of numbers so that the letters are arranged accordingly to form a meaningful word. T U C B K E 1 2 3 4 5 6
(A) 4, 2, 3, 5, 6, 1
(B) 4, 2, 5, 3, 1, 6
17. Complete the given series :
(A) 9
(C) 3, 1, 2, 5, 4, 6
(D) 6, 3, 1, 4, 5, 2
1, 0, 3, 2, 5, 4, (?)
(B) 10
(C) 8
(D) 7
18. Find the part which completes the Fig. (X).
(A)
(C)
(B)
(D)
19. Choose which of the following options is same as that of Fig. (X).
(A)
(B)
(C)
(D)
20. Choose one word which can be formed from the letters of given word.
(A) SWEET
NEWSPAPER (B) REPEAT (C) SOUR
(D) WASP
Computers and information technology
21.
shows _____ . (A) LAN
(B) WAN
(C) MAN
(D) All of these
5
12th NCO - Set-A
22. Which of the following extensions is used to save images from internet? (A) .jpeg (B) .gif (C) .png (D) All of these 23. Which of these suites are absolutely free? (A) Open Office (B) Google Apps (C) Zoho Online
(D) All of these
24. Select the INCORRECT match.
(A) Page Up Key → To move one by one page upwards.
(B) Page Down Key → To move one by one page backwards.
(C) CTRL + Home → To reach to the opening of the current document.
(D) CTRL + End → To reach to the end of the current document.
25. In Windows 7, the given picture in MS-Paint is drawn by ______.
(A) Pentagon and Five-Point Star shape
(B) Hexagon and Six-Point Star shape (C) Square and Star shape
(D) Diamond shape
26. What is required to use multimedia in a computer?
(A) Keyboard and mouse (C) Speakers, Microphone, web-cam
(B) Modem and calculator (D) None of these
27. Where is the quick access toolbar located? (A) It is located at the top of any window based software to enable regular used buttons like save, undo and redo. (B) It is present in system tray as a icon. (C) It is located on the desktop to be clicked quickly. (D) It is present in control panel to access various utilities at once. 28. Identify the MS-Word 2007, flowchart symbol. (A) Card (B) Data (C) Predefined Process (D) Internal Storage 29. Internal memory is used to _______. (A) Store files onto the memory for later use. (B) Store values to a floppy disk. (C) Store temporary values to be used until the program is on. (D) Store files onto a CD-ROM. 30. How to check the correctness of English in MS-Word? (A) Consult an English professor (B) Page Layout >> Use Spelling and Grammar tool >> Check for English of a text or whole document (C) Go to Review tab >> Use Spelling & Grammar tool to check any marked portion of a text or the whole document (D) Go to Insert tab >> Use Spelling and Grammar tool >> Check for English
6
12th NCO - Set-A
31. In Windows 7, identify the tools used to draw the given picture in MS-Paint? (A) Square & Line tool (B) Rounded rectangle & Right triangle tool (C) Brush tool (D) Square and triangle tool 32. Identify the MS-PowerPoint 2007 icon. (A) Set Up Slide Show (B) Hide Slide (C) Notes Page (D) Slide Show 33. Which of the following is not included in Insert tab of MS-PowerPoint 2007 ? (A) Text box, Header and Footer, Symbol
(B) Insert pictures, WordArt, Shapes
(C) Table, Date and Time, Movie
(D) Layout, Text Direction, Replace
34. Find the odd one out. (B)
(A)
(C)
(D)
35. Match the following MS-Word 2007 shortcut keys with the operations they perform in Find and Replace dialog box. Column-I
Column-II
(i)
a.
(ii)
b. Go to
(iii)
c.
(B) (i) – a, (ii) – b, (iii) – c (D) (i) – a, (ii) – c, (iii) – b
Replace
Find
36. In a long document, to always begin the next paragraph from a new page, you should ______. (A) Change the page orientation (B) Change the page size
(C) Press
key till you reach a new page
(D) Insert a Page Break after the current line
7
12th NCO - Set-A
37. Which of the following is not a valid shortcut for setting the line spacing between lines of text in MS-Word 2007 ? (A)
(B)
(C)
(D)
38. To visualize how a document will look when it is printed, MS-Word 2007 provides which of the following options? (A) Print Preview (B) Print Layout
(C) Print Size
(D) Print Setup
39. Which of the following is not true for a presentation in MS-PowerPoint 2007 ? (A) A presentation is a collection of slides. (B) On starting PowerPoint, a blank slide named ‘Slide 1’ appears on the screen. (C) Slides display information along with graphics, sound and animation. (D) The slides in a presentation are displayed in a systematic order. 40. In MS-Word 2007, (A) To (B) To (C) To (D) To
display display display display
the the the the
key is used ______.
Replace Dialog Box Spelling and Grammar Dialog Box Page Layout Dialog Box Thesaurus Dialog Box
41. Which of the following is not true for a standard windows file name? (A) It can contain up to 255 characters including spaces. (B) It can contain any of these characters : / \ : * ? “ < > | (C) It can contain any letter/number from a to z, A to Z, 0 to 9. (D) It can begin with any digit, alphabet or underscore. 42. Amit goes on the internet to find information about Indian Prime Minister. He does not have a specific address he should look for the information on. So he uses a ____. (C) MS-Word (D) Search Engine (A) Newsgroups (B) E-mail 43. Which of the following is not a video file extension? (A) .jpg (B) .mp4 (C) .avi
(D) .mov
44. In MS-Paint of Windows 7, which of the following units is used to give the dimensions of the drawing? (A) Millimetres
(B) Points
(C) Litres
45. Which operation performed on IMAGE A results in IMAGE B? (A) Invert selection (B) Rotate left by 90° (C) Rotate right by 90° (D) Rotate 180°
(D) Pixels
8
12th NCO - Set-A
46. The area of white space between the text and the edge of the page on all four sides is called _____. (A) Margin (B) Header
(C) Footer
(D) Page Break
47. Identify the memory device shown here. (A) Micro SD card (B) Flash Drive (C) Tablet (D) Mother board 48. In MS-Word 2007, the green line under a sentence in a document means ____ (A) Spelling mistake (B) Grammatical error (C) Synonym (D) None of these 49. Which of the following is NOT a social networking site ? (A)
(B)
(C)
(D)
50. _________ and ___________ are the two types of page orientations supported in MS-Word 2007. (A) Portrait, Close up (C) Landscape, Portrait
(B) Portrait, Netscape (D) Landscape, Close up SPACE FOR ROUGH WORK
Class 5 12th
Set B Year 2012
2
12th NCO - Set-B
MENTAL ABILITY 1. Find the sum of all the factors of 32 that are multiples of 4.
(A) 24
(B) 28
(C) 60
(D) 64
2. The given figure has a perimeter of 51 cm. AB = CD = AD = 12 cm. Find the length of BC.
(A) 12 cm
(B) 15 cm
(C) 27 cm
(D) 39 cm
3. What is the missing number (X) on the number line given below ?
(A) 63934
(B) 63134
(C) 63034
(D) 63094
4. What fraction of the given figure is shaded? 1 1 (B) (A) 2 3 1 5 (C) (D) 4 6 5. If W + W + W + W = V + V + V and V – W = 1. What does W stand for?
(A) 1
(B) 0
(C) 2
(D) 3
6. Which one of the letters below has 2 lines of symmetry ?
(A)
(B)
(C)
(D)
7. Which symbol will come in place of question mark so that the given expression is true ? 813 __ ?_ 3 = 5149 – 4878
(A) +
(B) –
(C) ×
(D) ÷
8. If a factory produces 512 dolls in a day, how many dolls will be produced in a leap year ?
(A) 178392
(B) 178329
(C) 187392
(D) 183792
9. Write the following Hindu Arabic numeral in Roman numeral ?
(A) MMIX
(B) MCXL
1140
(C) MCLX
(D) DXVI
3
12th NCO - Set-B
10. The graph shows the number of educational CDs sold during a 5-day exhibition. On which day did 32 more educational CDs were sold as compared to sale of CDs on Thursday?
(A) Friday
(B) Saturday
(C) Sunday
(D) Monday
Logical and Analytical Reasoning 11. Number of cubes in the given figure is _____. (A) 11 (B) 12 (C) 13 (D) 14 12. Find the wrong term in the series given below.
11, 5, 20, 12, 40, 26, 74, 54 (B) 40 (C) 20
(A) 26
(D) 5
13. In a group of five girls, Kajal is second in height. Pooja is taller than Monika. Ritika is the tallest and Neha is taller than Pooja. If they are arranged in ascending order of their heights, who is at third position?
(A) Monika
(B) Ritika
(C) Neha
(D) Pooja
14. In the question, some letters are given which are numbered 1, 2, 3, 4 and 5. Below are given four options containing combinations of these numbers. Find that combination of numbers so that letters arranged accordingly form a meaningful word. E H R S O 1 2 3 4 5 (A) 5, 4, 3, 1, 2 (B) 2, 5, 3, 4, 1 (C) 2, 3, 5, 1, 4 (D) 1, 2, 3, 4, 5 15. Choose which of the following options is same as that of figure (X).
(A)
(B)
(C)
(D)
4
12th NCO - Set-B
16. Among the given options which word can be formed from the letters of given word. KNOWLEDGE
(A) KNOWN
(B) COLLEGE
(C) KNOW
(D) LEDGER
17. Find the odd one out. (A)
(B)
(C)
(D)
18. Choose the correct mirror image of Fig. (X), if mirror is placed along MR.
(A)
(B)
(C)
(D)
19. Shruti is facing the school initially. How many right angles must she turn clockwise to face
her home ? (A) 1 (B) 2 (C) 3 (D) 4
20. If '1' is coded as 'S', '5' is coded as '%', '6' is coded as '
