1
Copyright © 2015 Science Olympiad Foundation. Printed with the permission of Science Olympiad Foundation. No part
of this publication may be reproduced, transmitted, in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior permission of the copyright holder. Ownership of an ebook does not give the possessor the ebook copyright. All disputes subject to Delhi jurisdiction only.
Disclaimer : The information 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 last years papers of NCO exam.
Published by : MTG Learning Media (P) Ltd. Corporate Office : Plot 99, 2nd Floor, Sector 44 Institutional Area, Gurgaon, Haryana. Phone : 0124 - 4951200 Web: mtg.in Email:
[email protected] Regd. Office : 406, Taj Apt., Ring Road, Near Safdarjung Hospital, New Delhi-110029
Visit
www.mtg.in for buying books online.
CLASS 9
Contents ªª 10th NCO 2010 ªª 11th NCO 2011 ªª 12th NCO 2012 - SET A ªª 12th NCO 2012 - SET B ªª 13th NCO 2013 - SET A ªª 13th NCO 2013 - SET B ªª 14th NCO 2014 - SET A ªª 14th NCO 2014 - SET B
MTG Work-Books / olympiad books CLASS 1
International Mathematics Olympiad
National Science Olympiad
International English Olympiad
MTG CSS Series
CLASS 2
International Mathematics Olympiad
National Science Olympiad
National Cyber Olympiad
International English Olympiad
MTG CSS Series
International English Olympiad
MTG CSS Series
CLASS 3
International Mathematics Olympiad
National Science Olympiad
National Cyber Olympiad
MTG Work-Books / olympiad books CLASS 4
International Mathematics Olympiad
National Science Olympiad
National Cyber Olympiad
International English Olympiad
MTG CSS Series
International English Olympiad
MTG CSS Series
International English Olympiad
MTG CSS Series
CLASS 5
International Mathematics Olympiad
National Science Olympiad
National Cyber Olympiad
CLASS 6
International Mathematics Olympiad
National Science Olympiad
National Cyber Olympiad
MTG Work-Books / olympiad books CLASS 7
National Science Olympiad
International Mathematics Olympiad
National Cyber Olympiad
Science IQ Challenge
Math IQ Challenge
International English Olympiad
MTG CSS Series
Master Mental Ability in 30 Days
CLASS 8
International Mathematics Olympiad
National Science Olympiad
National Cyber Olympiad
International English Olympiad
MTG CSS Series
Math IQ Challenge
Science IQ Challenge
Psychology of Success
The Secrets of SUCCESS
Master Mental Ability in 30 Days
MTG Work-Books / olympiad books CLASS 9
International Mathematics Olympiad
Math IQ Challenge
National Science Olympiad
Science IQ Challenge
National Cyber Olympiad
Psychology of Success
The Secrets of SUCCESS
International English Olympiad
Master Mental Ability in 30 Days
CLASS 10
International Mathematics Olympiad
Math IQ Challenge
National Science Olympiad
Science IQ Challenge
National Cyber Olympiad
Psychology of Success
The Secrets of SUCCESS
International English Olympiad
Master Mental Ability in 30 Days
MTG Work-Books / olympiad books CLASS 11
International Mathematics Olympiad
Math IQ Challenge
Science IQ Challenge
National Science Olympiad
Psychology of Success
National Cyber Olympiad
The Secrets of SUCCESS
Master Mental Ability in 30 Days
CLASS 12
International Mathematics Olympiad
Math IQ Challenge
Science IQ Challenge
National Science Olympiad
Psychology of Success
National Cyber Olympiad
The Secrets of SUCCESS
Master Mental Ability in 30 Days
Class
1 to 10
JEE (Main & Advanced) | AIPMT | BOARDS | OLYMPIAD | NTSE
FOUNDATION COURSE For Classes 7, 8, 9 & 10 Class 7
Class 8
Class 9
Class 10
Class 9 10th
Year 2010
Copyright©2015. Science Olympiad Foundation (SOF)
Class 9 | 10th NCO - 2010
2
MENTAL ABILITY 1.
A father tells his son, "I was of your present age when you were born". If the father is 36 now, how old was the boy 5 years back? (A) 13
2.
(B) 15
(C) 17
(D) 20
Study the following number sequence. 5 1 4 7 3 9 8 5 7 2 6 3 1 5 8 6 3 8 5 2 2 4 3 4 9 6 How many odd numbers are there in the sequence which are immediately followed by an odd number ? (A) 5
3.
4.
(B) 2
(C) 3
(D) 6
If '× ' stands for –, '¸' stands for +, '+' stands for ¸ and '–' stands for × , which one of the following equations is correct ? (A) 15 – 5 ¸ 5 × 20 + 10 = 6
(B) 8 ¸ 10 – 3 + 5 × 6 = 8
(C) 6 × 2 + 3 ¸ 12 – 3 = 15
(D) 3 ¸ 7 – 5 × 10 + 3 = 10
Which of these statement best describes a polynomial ? (A) A decimal that is nonterminating or nonrepeating (B) An algebraic expression containing one or more terms (C) A closedplane figure formed by three or more line segments (D) A number greater than one that has exactly different factors
5.
Farah drew the picture shown here on a piece of poster board. Farah plans to colour the interiors of the circle and the triangle. What is the approximate area of the parts of the picture that she will colour ?
8 cm
8 cm
2
(A) 57 cm
(B) 82 cm 2
10 cm
(C) 114 cm 2 (D) 233 cm 2 6.
Which point lies on the yaxis on a coordinate plane ? (A) (0, 12)
7.
8.
8 cm
(B) (1, 12)
(C) (12, 0)
(D) (12, 12)
If the circumference of a circle is doubled, how does the diameter of the circle change ? (A) The diameter stays the same
(B) The diameter becomes half as long
(C) The diameter becomes twice as long
(D) The diameter becomes four times as long
A triangle is plotted on the coordinate plane as shown in the figure. Which of the following coordinates represent, in order, the locations of point R, point S, and point T ? (A) (3, 2), (7, 5) and (5, 8) (B) (2, 3), (7, 5) and (8, 5) (C) (2, 3), (5, 7) and (8, 5) (D) (3, 2), (5, 7) and (5, 8)
Copyright©2015. Science Olympiad Foundation (SOF)
y 10 9 8 S 7 6 5 T 4 3 R 2 1 0 1 2 3 4 5 6 7 8 9 10 x
Class 9 | 10th NCO - 2010
9.
3 Top Row
Bricks were stacked in the pattern shown in the figure. If the pattern continued and there were 49 bricks in all, how many bricks would be in the bottom row ? (A) 11
(B) 12
(C) 13
(D) 14
10. One card is drawn from a wellshuffled deck of 52 cards. The probability of drawing an ace is ____. (A)
1 13
(B)
4 13
(C)
2 13
(D)
9 13
Face Diagonal
11. A vertical cut is made through the cube along the diagonal of the top face as shown in figure. Which two identical solids will be produced ? (A) Rectangular pyramids
(B) Rectangular prisms
(C) Triangular pyramids
(D) Triangular prisms
12. The following represent Binny's algebra scores : 74, 76, 83, 90 If the highest and lowest scores are removed, which measure of data will change ? (A) Median
(B) Mode
(C) Range
(D) None of these
13. In the repeating decimal equivalent to 15/111, there is a pattern. The first 6 digits after the decimal point are shown below. 0.135135 ..... Based on this information, which digit is in the 12 th position after the decimal point ? (A) 1
(B) 3
(C) 5
14. In this figure, the area of shaded portion is ____ . (A) 98 cm 2
(D) 0 P
12 c m 16 c
m
(B) 480 cm 2 2
(C) 384 cm
(D) 380 cm 2
52 cm R
S 48 cm
Q
15. Mrs. Asha is ordering tiles to cover a wall. • Each tile is in the shape of square of side 40 cm. • The tiles cost Rs. 2.25 each. • The wall is 20 m long. What additional information does Mrs. Asha need to determine how many tiles to order ? (A) The size of the tiles she will use
(B) The height of the wall
(C) The colour of the tiles
(D) The material used to manufacture the tiles
LOGICAL AND ANALYTICAL REASONING 16. From the original position, D and B move one and a half length of sides, clockwise and anticlockwise respectively. Which one of the following
A S
statements is true ? (A) B and D are both at the midpoint between A and C .
D W E
N
C
B
(B) D is at the midpoint between A and C, and B is at the corner originally occupied by C. (C) B is at the midpoint between original position of A and D, and D is at the midpoint between original positions of B and C. (D) B is at the midpoint between A and C, and D is at the midpoint between original positions of B and C.
Copyright©2015. Science Olympiad Foundation (SOF)
Class 9 | 10th NCO - 2010
4
17. 246 is related to (36, 16, 04) in the same way as 357 is related to (A) (09, 49, 25)
(B) (49, 16, 04)
(C) (49, 25, 09)
(D) (36, 16, 04)
18. According to given diagram which one of the following statements is true ? (A) All historians are magicians
Magicians
(B) Some magicians are philosophers as well as historians (C) All historians are either philosophers or magicians Philosophers
Historians
(D) Some historians are philosophers
19. Five persons are sitting, facing centre of a circle. Pramod is sitting to the right of Rajan. Raju is sitting between Brejesh and Naveen. Raju is to the left of Brejesh, and Rajan is to right of Brejesh. Who is sitting to the left of Naveen ? (A) Pramod
(B) Raju
(C) Brejesh
(D) Rajan
20. What should come in place of (?) in the following sequence ? BZA, DYE, GXI, KWM, __?_____ (A) OVT
(B) NUQ
(C) PVQ
(D) QVR
21. Arrange the given words in the sequence in which they occur in the dictionary and then choose the correct sequence. 1. Pestle 2. Pestilence 3. Pester 4. Pest 5. Pessimist (A) 5, 4, 3, 2, 1
(B) 4, 3, 1, 5, 2
(C) 3, 4, 2, 5, 1
(D) 4, 5, 1, 2, 3
22. If 'rose' is called 'poppy', 'poppy' is called 'lily', 'lily' is called 'lotus' and 'lotus' is called 'gladiola', which is the king of flowers ? (A) Gladiola
(B) Lotus
(C) Poppy
23. Complete the series
(D) Lily
_____? ____
+
(A)
+
(B)
(C)
(D)
24. If REASON is coded as 5 and BELIEVED as 7, what is the code number for GOVERNMENT ? (A) 6
(B) 8
(C) 9
(D) 10
25. Which answer figure will complete the given figure ? (A)
(B)
(C)
(D)
26. How many triangles are there in the given figure ? (A) 16
(B) 20
(C) 12
(D) 22
Copyright©2015. Science Olympiad Foundation (SOF)
? Fig. (X)
Class 9 | 10th NCO - 2010
5
27. This net is folded to produce a threedimensional object. Which object will this net produce ? (A)
(B)
(C)
(D)
28. A man is facing South. He turns 135° in the anticlockwise direction and then 180º in the clockwise direction. Which direction is he facing now? (A) Northeast
(B) Northwest
(C) Southeast
(D) Southwest
29. A, B, C, D, E and F are seated in a circle facing the centre. D is between F and B. A is second to the left of D and second to right of E. B is to the left of E. Who is facing A ? (A) B
(B) C
(C) D
(D) E
30. A set of figures carrying certain characters, is given. Assuming that the characters in each set follow a similar pattern, find the missing character. 25 17 6
38 18 8
1 (A) 13
2
89 16 ?
3 (B) 15
(C) 17
(D) 19
COMPUTERS AND INFORMATION TECHNOLOGY 31. A kilobyte has ___ . (A) 8000 bits
(B) 10000 bits
(C) 8192 bits
(D) 10240 bits
32. The button on the status bar that you would select in order to see the slides of a presentation in small size on the screen, is ____. (A)
(B)
(C)
(D)
33. Which of the following is not an example of system software ? (A) Windows
(B) Compilers
(C) Device drivers
(D) School management software
34. Identify the following component of word processor.
File
Edit
(A) Title bar
View
Insert Format Tools Table Window H elp (B) Menu bar
(C) Tool bar
35. Identify the cell with border in the image. (A) Status Bar
(B) Active cell
(C) Print area
(D) Name box
A 1 2
Copyright©2015. Science Olympiad Foundation (SOF)
(D) Status bar B
Class 9 | 10th NCO - 2010
6
36. Shortcut key to centre the text in MSWord is ___ . (A) Ctrl+C
(B) Ctrl+N
(C) Ctrl+E
(D) Ctrl+R
37. Which of the following is an example of nonvolatile memory ? (A) SDRAM
(B) ROM
(C) DRAM
(D) SRAM
38. Which of the following is not a transmission medium ? (A) Telephone lines
(B) Broadband cable
(C) Modem
(D) Fibre optics
39. Identify the following component of word processor. (A) Scale
(B) Vertical ruler
(C) Horizontal ruler
(D) Scroll bar
40. When you perform cut on a selected text it will be placed into an area in memory called ____ . (A) Whiteboard
(B) Blackboard
(C) Clipboard
(D) Display board
(C) Pound sign
(D) Dollar sign
41. A formula in MSExcel starts with ____ . (A) ( ) brackets
(B) Equal sign
42. Identify the following view in a presentation graphics software. (A) Normal view
1
2
3
4
5
6
7
8
9
(B) Slide sorter view (C) Slide show (D) Notes layout 43. IP is an abbreviation for which of the following ? (A) Internet Printer
(B) Internet Ping
(C) Internet Person
(D) Internet Protocol
44. Which of these does not have the ability to allow a user to communicate with another computer ? (A) Network Card
(B) Serial Port
(C) VGA Port
(D) Modem
45. A file format designed to enable printing and viewing of documents with all their formatting appearing regardless of the operating system used is ______ . (A) Word
(B) PDF
(C) PFD
(D) DFP
(C) 3 GLs
(D) 0 GLs
46. High level languages may be classified as ___ . (A) 1 GLs
(B) 2 GLs
47. To insert linked data from MSExcel to MSWord (A) MSExcel, copy the selected cells ® go to MSWord ® place mouse pointer at desired location ® edit ® paste special ® Ok (B) MSExcel, copy the selected cells ® go to MSWord ® place mouse pointer at desired location ® paste ® edit option ® Ok (C) Select data in Excel ® Ctrl + C ® go to MSWord ® Ctrl + V (D) All of the above
Copyright©2015. Science Olympiad Foundation (SOF)
Class 9 | 10th NCO - 2010
7
48. Which of the below HTML tags is correct for inserting an image ? (A)
(B)
(C)
(D)
49. URL stands for ____ . (A) Unique Research Location (C) Uniform Resource Locator
(B) Unique Research Locator (D) Uniform Research Locator
50. WWW is ____ . (A) (World Wide Web) Usually means the universe of hypertext servers (HTTP servers) which allows text, graphics, sound files, etc. to be mixed together. (B) (Internet Relay Chat) Basically a huge multiuser live chat facility. (C) Refers to the fact that Black widow spiders are found in all parts of the world and therefore have a world wide web. (D) Browser SPACE FOR ROUGH WORK
Copyright©2015. Science Olympiad Foundation (SOF)
Class 9 11th
Year 2011
Copyright©2015. Science Olympiad Foundation (SOF)
Class 9 | 11th NCO - 2011
2
MENTAL ABILITY 1.
Sandy has the following scores on her science tests. 88, 91, 89, 85, 92 If she wants to increase her current test mean by at least 1 point, what is the minimum score she must make on her next test ? (A) 89
2.
3.
(B) 90
Look at this number line. If point P represents closest to the value of x ?
(B) Point B
(C) Point C
(D) Point D
P A 0
B 5
C
D
10
15
Pia is a sales representative for a printer company. She sells two models of printers Model P and Model Q. Last month she sold a total of 120 printers. The ratio of Model P printers sold to Model Q printers sold was 3:5. If Pia is paid a ` 25 commission for every Model P printer sold and a ` 20 commission for every Model Q printer sold, what was her total commission last month ? (B) ` 2475
3
1
2
(1 / 2) – (1 / 3)
(C) ` 2625 1
(D) ` 2760
5
Simplify : 4 ÷ 2 4 of 3 - (1 / 2) + (1 / 3) × 3 3 + 6 = ? (A)
5.
(D) 95
x , which point is
(A) Point A
(A) ` 1480 4.
(C) 92
7 18
(B)
49 54
(C)
2 3
(D)
1 6
243 ft
The dimensions of 3 connected stores are shown in the figure. How many square feet of floor space are used by the 3 stores ?
Video Arcade
215 ft
(A) 9,600 ft 2 275 ft
128 ft Galore 188 ft
(C) 21,141 ft 2
75 ft
2
(D) 42021 ft 6.
(B) LK
(C) LJ
J K H
L (D) HJ
An article was sold for ` 144. If the percentage of profit was numerically equal to the cost price, the cost of the article was ______. (A) ` 72
8.
60 ft
The given cube is constructed so that the sphere shown would fit inside it, touching the centre of each face of the cube at exactly one point. Which of the following lengths best represents the diameter of the sphere ? (A) HK
7.
Sports
(B) 11,280 ft 2
(B) ` 80
(C) ` 90
(D) ` 100
What is the order of these numbers from least to greatest? 11 3.3, 3.3, 10 , 3 11 11 11 11 < 10 < 3.3 < 3.3 < 10 (D) 3.3 < 3.3 < 10 < (A) 10 < 3.3 < 3.3 < (B) 3.3 < 3.3 < (C) 3 3 3 3
Copyright©2015. Science Olympiad Foundation (SOF)
Class 9 | 11th NCO - 2011
9.
3 y 6 5 4 3 2 1
Look at the given figure. What will be the new coordinates of the figure when it is reflected across the yaxis ? (A) (1, 1), (3, 4), (5, 2)
–6 –5 –4 –3 –2 –1 0 1 2 3 4 5 6 –1 –2 –3 –4 –5 –6
(B) (1, 1), (4, 3), (2, 5) (C) (–1, –1), (–3, –4), (–5, –2) (D) (–1, –1), (–4, –3), (–2, –5)
x
10. A cuboidal tank of base dimensions 220 cm × 20 cm is full of water. If 11 litres of water is drawn out, the water level in the tank will drop by _____. 1 cm 2
(A) 2 11.
3 (B) 11 cm 2
(C) 12
1 cm 2
(D) 14 cm
2 2 a 3 + 27 b 3 + 125c 3 - 45 2 abc is expressed as a product of a linear factor and a quadratic factor. . The linear factor is ______.
(A)
(B)
2a - 3b + 5 c
(C) - 2a + 3b + 5 c
2a + 3b + 5 c
(D) None of these
12. Which of the following could be the graph of ax + by = c where c ¹ 0 ? y y y (A) x¢
x
(B) x¢
(C) x¢
x
y¢
x
y¢
(D) None of these
y¢
A
13. Which of the following is correct ? (A) AB = AC
(B) AC > AB
(C) BC
