Free Printable APTITUDE

1.

$\sqrt{10}\ \times\sqrt{5}$ is equal to

a)

$\sqrt{15}$

b)

$\sqrt{150}$

c)

$\sqrt{50}$

d)

5

2.

The number obtained on rationalizing the denominator of $\frac{1}{\sqrt{7}-2}$ is

a)

$\frac{\sqrt{7}+2}{3}$

b)

$\frac{\sqrt{7}-2}{3}$

c)

$\frac{\sqrt{7}+2}{5}$

d)

$\frac{\sqrt{7}-2}{5}$

3.

$\frac{1}{\sqrt{9}-\sqrt{8}}$ is equal to

a)

$\sqrt{9}-\sqrt{8}$

b)

$\frac{\sqrt{9}-\sqrt{8}}{1}$

c)

$3-\sqrt{8}$

d)

$3+\sqrt{8}$

4.

Which of the following statements is true?

a)

Every rational number is an integer

b)

Every whole number is a natural number

c)

Every integer is a whole number

d)

Every whole number is a rational number

5.

What is the value of (3 - √3) (2 - √2) ?

a)

6 - √6

b)

6 -2√3 - 3√2 + √6

c)

6 + √6

d)

6 -2√3 - 3√2 - √6

6.

What is the product of 6 $\sqrt{5}$ and 2 $\sqrt{5}$ ?

a)

12 $\sqrt{5}$

b)

60

c)

4 $\sqrt{5}$

d)

3

7.

Which of the following gives a rational number ?

a)

$\pi\ +2$

b)

$\pi\times\pi$

c)

$\pi-\ 2$

d)

$\pi\times0$

8.

Select all sets that the number belongs to:
$\sqrt{3}$

a)

Irrational Number

b)

Rational Number

c)

Integer

d)

Whole Number

e)

Natural Number

9.

Select all sets that the number belongs to:
$\frac{4}{3}$

a)

Irrational Number

b)

Rational Number

c)

Integer

d)

Whole Number

e)

Natural Number

10.

What is the remainder when 1! + 2! + 3! + …. + 100! is divided by 5 ?

a)

0

b)

1

c)

2

d)

3

e)

4

11.

What is the remainder when 2²⁵⁶ divided by 17 ?

a)

0

b)

1

c)

2

d)

16

e)

3

12.

Find the number of Even and Odd factors of 512 ?

a)

6 , 4

b)

8 , 2

c)

10 , 0

d)

4 , 6

e)

5 , 5

13.

At a toy factory it takes two machines 50 minutes to create 10 teddy bears. How many teddy bears can one machine create in 30 minutes?

a)

6

b)

5

c)

3

d)

2

14.

Find the number of prime factors of

6¹⁰ ⋅ 7¹⁷ ⋅ 55²⁷

a)

101

b)

95

c)

91

d)

81

e)

85

15.

Find the unit digit of

24382⁶⁴³

a)

2

b)

4

c)

6

d)

8

e)

0

APTITUDE

Total questions: 15

Worksheet time: 8mins

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