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# Aptitude preparation

## Aptitude on Decimal fractions

### Aptitude questions and answers on Decimal fractions

1. Arrange the fractions 3/4, 5/7, 8/9, and 7/10 in their descending order ?
 A. 8/9, 3/4,  5/7, 7/10 B. 8/9, 3/4, 7/10, 5/7 C. 3/4, , 7/10, 8/9 , 5/7 D. None
2. Arrange the fractions , 2/5 , 3/7 , 6/4 , 7/8  in their ascending order ?
 A. 2/5 , 3/7 , 6/4 , 7/8 B. 2/5 , 3/7 , 7/8 , 6/4 C. 3/7 , 6/4 ,  7/8 , 2/5 D. 6/4 , 3/7  , 2/5 , 7/8 ,
3. Convert the following into vulgar fraction, 0.275 ?
 A. 11/40 B. 9/42 C. 15/44 D. 20/45
4. Convert the decimal into vulgar fraction, 0.4270 ?
 A. 4270/10000 B. 427/100 C. 427/1000 D. 427/10
5. Evaluate 1)  523.072 - 176.234       and    2)  729.627 - 532.634   ?
 A. 346, 196.993 B. 346.838, 196.993 C. 256.838, 223.257 D. None of these
6.

0.6 + 0.66 + 0.066 + 6.606 ?

 A. 7.932 B. 7.785 C. 6.932 D. 6.785
7. Evaluate 240.27 + 352.675 + 52.2756 + 6273.962  ?
 A. 7000 B. 6902.2946 C. 6919.18 D. None of these
8.

What value will replace the question mark in the following equations,  152.20 + ? +237.71 = 1014.93  ?

 A. 650 B. 625.02 C. 528.67 D. 650.757
9.

What is the relation of 1/2, 0.5, 1223/2446 and 3.5 - 3

 A. all are equel B. all are unequel C. Both D. Noe of these
10.

What decimal of an hour is a minute?

 A. 0.0122222 B. 0.0166667 C. 0.02 D. 0.0177778
11.

Write the following in ascending order?  12/21 , 13/31 , 14/41

 A. 14/41 < 13/31 < 14/41 B. 14/41 > 13/31 > 14/41 C. 14/41 > 13/31 < 14/41 D. 14/41 < 13/31 > 14/41
12.

The value of (1 + .1 + .01 + .001) is ?

 A. 1.111 B. 1.001 C. 1.101 D. None of these
13.

[ ( 0.05 / 0.25 ) + ( 0.25 / 0.05 ) ]³    =  ?

 A. 170.6 B. 140.6 C. 110.6 D. 160.6
14.

.04 × ? = .000016 ?

 A. 0.0006 B. 0.0002 C. 0.0008 D. 0.0004
15.

What is the value of  0.00003 × 0.6   =   ?

 A. 3e-05 B. 0.00006 C. 1.8e-05 D. None
16.

The value of (3.6 × 0.48 × 2.50) / (0.12 × 0.09 × 0.5) is ?

 A. 300 B. 400 C. 800 D. 600
17.

The value of (52.3654)²  -  (47.6346)²   is?

 A. 473.08 B. 567.08 C. 160.08 D. None
18.

1/0.06 is equal to?

 A. 6.66 B. 16.66 C. 10.66 D. None
19.

If 144/0.144   =   14.4/s , then the value of s is ?

 A. 1.44 B. 10.044 C. 0.0144 D. 0.041
20.

If 1.5 A = 0.04 B , then the value of [ (B - A) / (B + A) ] is ?

 A. 73 / 77 B. 72 / 75 C. 65 / 63 D. 45 / 90