1000+ Mphasis Aptitude Questions and Answers Pdf - 1

Question: 1

$$√.00000676$$ = .0026, the square root of 67,60,000 is

(A) 26

(B) 260

(D) 26000

View Answer

Ans: C

$$√6760000$$ = $$√0.00000676 × 10^12$$

= $$√0.00000676 × √10^12$$

= 0.026 × 10⁶ = 2600.

Question: 2

In the equation $${4050}/{√x}$$ = 450, the value of x is

(A) 18

(B) 27

(D) 81

View Answer

Ans: D

$${4050}/{√x}$$ = 450 ⇔ $$√x$$ = $${4050}/{450}$$ = 9

⇒ x = 9² = 81.

Question: 3

R is a positive number. It is multiplied by 8 and then squared. The square is now divided by 4 and the square root is taken. The result of the square root is Q. What is the value of Q?

(A) 2R

(B) 3R

(D) 5R

View Answer

Ans: C

Q = $${√(8R)^2} / {4}$$

= $$√(8R)^2/√4$$

= $${8R} / {2}$$ = 4R.

Question: 4

The value of $$√0.000441$$ is

(A) 0.21

(B) 0.021

(D) 0.0000021

View Answer

Ans: B

$$√0.000441$$ = $$√{441/10^6}$$

= $$√{441}/√10^6$$ = $${21/10^3}$$

= $${21}/{1000}$$ = 0.021.

Question: 5

1.5² × $$√0.0225$$ = ?

(A) 0.0375

(B) 3.275

(D) 0.3375

View Answer

Ans: D

1.5² × $$√0.0225$$

= 1.5² × $$√{225/10000}$$

= $$2.25 × {15}/{100}$$ = 2.25 × 0.15 = 0.3375.

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1000+ Mphasis Aptitude Questions and Answers Pdf - 1

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