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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. 6919.1826 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.

0.01222222

B.

0.01666666

C.

0.01999999

D.

0.01777777

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.

.0006

B.

.0002

C.

.0008

D.

.0004

15.

What is the value of  0.00003 × 0.6   =   ?

A.

0.00003

B.

0.00006

C.

0.000018

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