Aptitude - Decimal Fraction

Exercise :: Decimal Fraction - General Questions

26. 

The correct expression of 6.46 in the fractional form is:

A.
646
99
B.
64640
1000
C.
640
100
D.
640
99

Answer: Option D

Explanation:

6.46  = 6 + 0.46  = 6 + 46   = 594 + 46   = 640 .
99 99 99

27. 

The fraction 101 27 in decimal for is:
100000

A. .01027
B. .10127
C. 101.00027
D. 101.000027

Answer: Option C

Explanation:

101 27 = 101 + 27 = 101 + .00027 = 101.00027
100000 100000

28. 

0.0203 x 2.92 = ?
0.0073 x 14.5 x 0.7

A. 0.8
B. 1.45
C. 2.40
D. 3.25

Answer: Option A

Explanation:

0.0203 x 2.92 = 203 x 292 = 4 = 0.8
0.0073 x 14.5 x 0.7 73 x 145 x 7 5


29. 

4.036 divided by 0.04 gives :

A. 1.009
B. 10.09
C. 100.9
D. None of these

Answer: Option C

Explanation:

4.036 = 403.6 = 100.9
0.04 4

30. 

3.87 - 2.59 = ?

A. 1.20
B. 1.2
C. 1.27
D. 1.28

Answer: Option D

Explanation:

3.87 - 2.59 = (3 + 0.87) - (2 + 0.59)

= 3 + 87 - 2 + 59
99 99

= 1 + 87 - 59
99 99

= 1 + 28
99

= 1.28.


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