Math Review NAT_20151010

NAT REVIEWER 1. How many pounds is three-fourths of a ton? a. 1550 b. 1630 c. 1650 d. 1750 2. How much is 33 1/3 % of P 999.00? a. P 249.00 b. P 333.00 c. P 375.00 d. P390. 00 3. In the table below, which expression shows the relationship of A and B? A B

2 8 a. A = 4B

4 16

6 24

8 32 c. B = A2

b. A = B

10 40

12 48

d. B= 4A

4. Find the value of s in the equation 3x – 12 = 1 2/3 x a. 3 b. 6 c. 9 d. 12 5. What is the scientific notation of 0.0000000000846? a. 8. 46 X 10-9 b. 8.46 X 10-10 c. 8.46 X 10-11 d. 8.46 X 10 -12 6. Find the product of (A +5) (A – 5) a. A2 -25 b. A2 + 25 c. A2 + 10A -25 d. A2 -10A -25 7. Find the mode of the following measures. 8, 9, 9, 9, 10, 10, 11, 12, 13, 13, 13, 13, 14, 14 a. 9 b. 10 c. 13 d. 14 8. One angle of a right triangle measures 65° . What is the combined measure of the two other angles? a. 105° b. 115° c. 125° d. 130° 9. If X = 2 , then 5x = ? Y 5 a. 2y b. 3y c. 4y d. 5y 10.How many numbers between 100 and 400 end with 5? a. 25 b. 30 c. 40 d. 50 11.A series of even numbers begin with 3y. What is the 5 th term? a. 15y b. 36y c. 3y +12 d. 3y + 8 4 12.The following are factors of x -1, except one. Which is it? a. X-1 b. x+1 c. x3 -1 d. x2 + 1 13.The sum of one-half a number and three-fourths of the number is 4 more than the number. What is the number? a. 12 b. 16 c. 20 d. 24 14.Among the 7 cadets, how many ways can 3 cadets be selected from such group? a. 21 b. 27 c. 35 d. 42 15.A mall earns 3 times as much in December as it does in any month of the year. What percent of its yearly earnings does it earn n December? a. 15% b. 21% c. 25% d. 32% 16.A provincial school has 45 graduates in the first batch 55 in the second batch and 65 in the third batch. If this trend continues, how many graduates will there be in the tenth batch? a. 115 b. 125 c.125 d. 145 1

17.What is the scientific notation of the sum of 3 400 000 and 20 000? a. 3.60 X 106 b. 3.60 x 107 c. 3.42 X 106 d. 3.42 X 107 18.A merchant sold a basket of apples for P 525.00. He made 40% profit, how much did he buy the fruits? a. P290.00 b. P 320.00 c. P 350.00 d. P 375. 00 19.A car owner bought 4 shock absorbers at P 2800.00 each , 3 axle bearings at P 1, 200.00 each and 4 liters of oil at P 105.00 per liter. How much was the total cost of his purchase including 12% VAT? a. P14 035.60 b. P 15 065.50 c. P 17 046.40 d. P17 146.40 20.If a car runs at 90 kph, in can reach its destination in 60 mins. How far is the trip? a. 25 km b. 30 km c. 35 km d. 40 km 21.A triangle whose area is 90 sq in, has a base of 48 in. What is the base of a similar triangle whose area is 40 sq. in.? a. 30 in b. 32 in c. 34 in d. 36 in 22.Albert made 25 baskets more than four times what Mario finished in a day. If together they made 85 baskets, how many baskets did Mario make in that day? a. 10 b. 12 c. 15 d. 18 23.A house has depreciated by 25%. It cost now P 637, 500.00. what was its original value? a. P 750 000 b. P 850 000 c. P 875 000 d. P890 000 24.A DVD PLAYER can be bought for P900.00 in cash and P 1 200 in installment. What percentage is the discount if it is bought in cash? a. 20% b. 25% c. 30% d. 35% 25.If a car can travel 350 km in 5 hrs, how far can it travel in 9 hrs? a. 550 km b. 625 km c. 675 km d. 725 km Find the y –intercept of each equation. 1) y = 4x – 3

2) x – y = 9

4)

y=x+2

5)

2x + y = 4

3) y = x – 7 Note (20151010): The following were just downloaded from Scribd and copied (saveas) to another file, for the purpose of downloading other file/s.

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