Questions

decimal fraction aptitude questions

16.  

Which of the following fractions is greater than 3 and less than 5 ?
4 6
A.
1
2
B.
2
3
C.
4
5
D.
9
10

Answer: Option C

Explanation:

 

 

3 = 0.75, 5 = 0.833, 1 = 0.5, 2 = 0.66, 4 = 0.8, 9 = 0.9.
4 6 2 3 5 10

Clearly, 0.8 lies between 0.75 and 0.833.

 

4 lies between 3 and 5 .
5 4 6
17. The rational number for recurring decimal 0.125125…. is:
A.
63
487
B.
119
993
C.
125
999
D. None of these

Answer: Option C

Explanation:

 

0.125125… = 0.125 = 125
999
18. 617 + 6.017 + 0.617 + 6.0017 = ?
A. 6.2963 B. 62.965
C. 629.6357 D. None of these

Answer: Option C

Explanation:

 

  617.00
    6.017
    0.617
 +  6.0017
  --------
  629.6357
  ---------
19.  

The value of 489.1375 x 0.0483 x 1.956 is closet to:
0.0873 x 92.581 x 99.749
A. 0.006 B. 0.06
C. 0.6 D. 6

Answer: Option B

Explanation:

 

 

489.1375 x 0.0483 x 1.956 489 x 0.05 x 2
0.0873 x 92.581 x 99.749 0.09 x 93 x 100

 

= 489
9 x 93 x 10

 

= 163 x 1
279 10

 

= 0.58
10

= 0.058 0.06.
20. 0.002 x 0.5 = ?
A. 0.0001 B. 0.001
C. 0.01 D. 0.1

Answer: Option B

Explanation:

 

2 x 5 = 10.

Sum of decimal places = 4

0.002 x 0.5 = 0.001

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