Decimal Fraction - Arithmetic Aptitude Questions and Answers

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Which of the following is equal to 3.14 x 10⁶ ?

A.

314

B.

3140

C.

3140000

D.

None of these

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The least among the following is:

A.

0.2

B.

1 Ã· 0.2

C.

$0.{\bar2}$

D.

(0.2)²

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Answer : Option D

Explanation :

1 ÃƒÆ’· 0.2 = $\frac { 1 } {0.2 }$ = $\frac { 10 } { 2 }$ =5;

$0.{\bar2}$ =0.222...;

(0.2)² = 0.04.

0.04lessthan0.2lessthan0.22....lessthan5

Since 0.04 is the least, so (0.2)² is the least.

$\frac { 5*1.6-2*1.4 } { 1.3 }$ =?

A.

0.4

B.

1.2

C.

1.4

D.

4

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Answer : Option D

Explanation :

Given Expression = $\frac { 8-2.8} { 1.3 }$ = $\frac { 5.2 } { 1.3 }$ = $\frac { 52 } { 13 }$ =4

How many digits will be there to the right of the decimal point in the product of 95.75 and .02554 ?

A.

5

B.

6

C.

7

D.

None of these

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The correct expression of6. $\bar46$ in the fractional form is:

A.

$\frac { 646 } { 99 }$

B.

$\frac { 64640 } { 1000 }$

C.

$\frac { 640 } { 100 }$

D.

$\frac { 640 } { 99 }$

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Answer : Option D

Explanation :

6. $\bar46$ =6+0. $\bar46$ =6+ $\frac { 46 } {99 }$ = $\frac { 594+46 } { 99 }$ = $\frac { 640 } { 100 }$

The fraction 101 $\frac { 27 } { 100000 }$ in decimal for is:

A.

.01027

B.

.10127

C.

101.00027

D.

101.000027

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Answer : Option C

Explanation :

101 $\frac { 27 } { 100000 }$ =101+ $\frac { 27 } { 100000 }$ =101+.00027=101.00027

$\frac { 0.0203*2.92 } { 0.0073*14.5*0.7 }$ =?

A.

0.8

B.

1.45

C.

2.40

D.

3.25

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Answer : Option A

Explanation :

$\frac { 0.0203*2.92 } { 0.0073*14.5*0.7 }$ = $\frac { 203*292} { 73*145*7 }$ = $\frac { 4 } { 5}$ =0.8

4.036 divided by 0.04 gives :

A.

1.009

B.

10.09

C.

100.9

D.

None of these

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Answer : Option C

Explanation :

$\frac { 4.036 } { 0.04 }$ = $\frac { 403.6 } { 4}$ =100.9

3 $\bar87$ -2. $\bar59$ =?

A.

1.20

B.

1. $\bar2$

C.

1. $\bar27$

D.

1. $\bar28$

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