Quantitative Aptitude Area Questions for Competitive Exams - 1

Question: 1

0.1 × 0.01 × 0.001 = ?

(A) 0.0001

(B) 0.00001

(C) 0.000001

(D) 0.0000001

Ans: C

Sum of decimal places = 6

∴ 0.1 × 0.01 × 0.001 = 0.000001.

Question: 2

$$(.00625 of {23}/{5})$$ when expressed as vulgar fraction, equals

(A) $${23}/{80}$$

(B) $${23}/{800}$$

(C) $${23}/{8000}$$

(D) $${125}/{23}$$

Ans: B

$$(.00625 of {23}/{5})$$ = $$({625} / {100000} × {23}/{5})$$ = $${23}/{800}$$.

Question: 3

19.99 × 9.9 + 99.9 = ?

(A) 129.79

(B) 296.910

(C) 297.801

(D) 1009

Ans: C

Given expression = 197.901 + 99.9 = 297.801.

Question: 4

4.036 divided by 0.04 gives

(A) 1.009

(B) 10.09

(C) 100.9

(D) None of these

Ans: C

$${4.036}/{0.04}$$ = $${403.6}/{4}$$ = 100.9.

Question: 5

6425 ÷ 125 × 8 = ?

(A) 41.12

(B) 64.25

(C) 411.2

(D) 421.25

Ans: C

Given expression = 51.4 × 8 = 411.2.

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