Decimal Fraction - General Questions (2)

Which of the following is equal to 3.14 x 10⁶ ?

A.	314
B.	3140
C.	3140000
D.	None of these

Answer: Option C

Explanation:

3.14 x 10⁶ = 3.14 x 1000000 = 3140000.

10.

34.95 + 240.016 + 23.98 = ?

A.	298.0946
B.	298.111
C.	298.946
D.	299.09

Answer: Option C

Explanation:

   34.95
  240.016
 + 23.98
 --------
  298.946
 --------

11.

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

12.

The value of	489.1375 x 0.0483 x 1.956	is closest 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.

13.

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
  ---------

14.

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

15.

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

16.

Which of the following are in descending order of their value ?

A.	1/3 , 2/5 , 3/7 , 4/5 , 5/6 , 6/7
B.	1/3 , 2/5 , 3/5 , 4/7 , 5/6 , 6/7
C.	1/3 , 2/5 , 3/5 , 4/6 , 5/7 , 6/7
D.	6/7 , 5/6 , 4/5 , 3/7 , 2/5 , 1/3

Answer: Option D

Explanation:

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Decimal Fraction - General Questions (2)

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