# Aptitude - Decimal Fraction

### Exercise :: Decimal Fraction - General Questions

6.

When 0.232323..... is converted into a fraction, then the result is:

A.
 1 5
B.
 2 9
C.
 23 99
D.
 23 100

Explanation:

 0.232323... = 0.23 = 23 99

7.

 .009 = .01 ?

 A. 0.0009 B. 0.09 C. 0.9 D. 9

Explanation:

 Let 0.009 = .01;     Then x = .009 = .9 = .9 x 0.01 1

8.

The expression (11.98 x 11.98 + 11.98 x x + 0.02 x 0.02) will be a perfect square for x equal to:

 A. 0.02 B. 0.2 C. 0.04 D. 0.4

Explanation:

Given expression = (11.98)2 + (0.02)2 + 11.98 x x.

For the given expression to be a perfect square, we must have

11.98 x x = 2 x 11.98 x 0.02 or x   = 0.04

9.

 (0.1667)(0.8333)(0.3333) is approximately equal to: (0.2222)(0.6667)(0.1250)

 A. 2 B. 2.4 C. 2.43 D. 2.5

Explanation:

Given expression
 = (0.3333) x (0.1667)(0.8333) (0.2222) (0.6667)(0.1250)
= 3333 x
 1 x 5 6 6
2222
 2 x 125 3 1000
 = 3 x 1 x 5 x 3 x 8 2 6 6 2
 = 5 2
= 2.50

10.

3889 + 12.952 - ? = 3854.002

 A. 47.095 B. 47.752 C. 47.932 D. 47.95

Explanation:

Let 3889 + 12.952 - x = 3854.002.

Then x = (3889 + 12.952) - 3854.002

= 3901.952 - 3854.002

= 47.95.