Question # 1

The average height of a class of 14 days is 5.3 feet. After new boy is admitted to the class ,the new average height now becomes 5.25. What is the height of the new boy?

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4.55

5.0

6.0

3.5

(580 x 12) - (645 x 5) / 50 x10 = ?

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7.47

3725

74.7

4450

How many integers from 28 to 98, both exclusive are exactly divisible by 7?

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9

11

12

8

If 'x' and 'y' are positive and 1/x=3+1/y is 'x' greater than 'y'?

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Yes

No

It cannot be determined

They are equal

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50 m

64 m

72 m

84 m

In a school there are 400 students , of whom 70% are boys. What is the number of girls?

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130

200

280

2800

Four people are asked to stand in a straight line. In how many different orders can they line up ?

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12

16

24

6

If p is a negative integer and P² + 11p = t, a value of t could be

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12

18

-18

11

1 3/4 - 1 3/5 =?

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0.16

0.2

0.15

13/20

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5

10

110

125

1764÷ 17.64 /0.5

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100

20

0.2

200

Which of the following is the sum of two consecutive prime numbers ?

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66

52

41

29

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b-180

b-90

180-a/2

180-a

The average of x, y, z and 40 is 10. What is the average of x, y, and Z.

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10

0

2

15

If (p-3)(p+5)>(p-3)(p+8), what is the best description of p ?

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p = 3

- 8 < p < - 5

p = { }

p < 3

If 7 apples cost y cents, how many apples will x dollars buy?

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x/7y

7x/y

7x/100y

700x/y

A clock gain 8 minutes every x hours. How many hours will the clock gain in 3 days?

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576/x

48/5x

24/x

576/5x

A rectangular lot 50 feet by 100 feet is surrounded on all sides by a concrete walk 5 feet wide. Find the number of square feet in the surface of the walk.

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1600

5250

5500

6100

816 - 288÷ 24 =?

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22

828

528

804

If the redius of a circle is increased by 20% then the area is increased by

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44%

120%

144%

40%

25% of 4÷ 4% of 25 =?

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1

3

0

6

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