# IAS: Numerical Aptitude Questions (Practice_Test 5 of 12)

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Which one of the following fractions is the smallest?

13/16

15/19

17/21

⅞

None of these

Answer: b

If the difference between the 4/5th part and 1/3rd part of a number is 4 what is the number?

60

100

80

120

None of these

Answer: d

If x and y are + ive integers such that (3x + 7y) is a multiple of 11, then which of the following will also be divisible by 11?

4x + 6y

x + y + 4

9x + 4y

4x − 9y

None of these

Answer: b

If x and y are the two digits of the number 653 xy such that this number is divisible by so, then x + y is equal to

2

3

4

6

None of these

Answer: d

What is the smallest number by which 3600 be divided to make it a perfect cube?

9

50

300

450

500

Answer: d

What may be substracted from 39468 to make it perfect square?

192

264 (dc) 246 (d) 280 (e) None of these

Answer: b

1399 * 1399 =?

1687401

1901541

1943211

1957201

None of these

Answer: d

The product of two numbers is y/x. IF one of the numbers is x/y2, then the other one is

y3/x2

y2/x3

x2/y

x/y2

x2/y2

Answer: a

Mukesh has twice as much money as Sohan and Sohan has 50% more money than what Pankaj has. If the average money with them is Rs. 110, then Mukesh has

Rs. 55

Rs. 60

Rs. 90

Rs. 180

Rs. 200

Answer: d

A cricketer has a certain average for 9 innings. In the tenth inning, he scores 100 runs, thereby increasing his average by 8 runs. His new average is

20 runs

24 runs

28 runs

32 runs

None of these

Answer: c