decimal fraction aptitude questions

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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.

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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