Decimal Fraction

002 x 0.5 = ?

A:

0.0001

B:

0.001

C:

0.01

D:

0.1

Answer: B

2 x 5 = 10.

Sum of decimal places = 4

0.002 x 0.5 = 0.001

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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: B

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.

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617 + 6.017 + 0.617 + 6.0017 = ?

A:

6.2963

B:

62.965

C:

629.6357

D:

None of these

Answer: C

  617.00
    6.017
    0.617
 +  6.0017
  --------
  629.6357
  ---------

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The rational number for recurring decimal 0.125125.... is:

A:

63

487

B:

119

993

C:

125

999

D:

None of these

Answer: C

0.125125... = 0.125 =	125
	999

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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: C

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

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Questions for: Decimal Fraction