Aptitude : : Decimal Fractions Questions & Answers

  1. $ \dfrac{4.2 \times 4.2-1.9 \times 1.9}{2.3 \times 6.1} = $ ?

A. 4.2

B. 0.5

C. 1

D. 1.9

  1. The value of $\dfrac{(0.96)^3-(0.1)^3}{(0.96)^2+.096+(0.1)^2} $ is

A. 1.06

B. 0.86

C. 0.95

D. 0.97

  1. The value of $ \dfrac{(2.3)^3-0.027}{(2.3)^2+0.69+0.09}$ is

A. 3.3

B. 0

C. 1.6

D. 2

  1. 0.002 x 0.5 = ?

A. 0.0001

B. 0.001

C. 0.01

D. 0.1

  1. The correct expression of $6.\overline{46} $ in the fractional form is :

A. $\dfrac{646}{99}$

B. $\dfrac{640}{100}$

C. $\dfrac{640}{99}$

D. $\dfrac{64640}{1000}$