decimal fraction aptitude questions – Free Online Questions and Answers

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
 --------

22.

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.

23.

The least among the following is:

A.	0.2	B.	1 ÷ 0.2
C.	0.2	D.	(0.2)²

Answer: Option D

Explanation:

1 ÷ 0.2 =	1	=	10	= 5;
	0.2		2

0.2 = 0.222…;

(0.2)² = 0.04.

0.04 < 0.2 < 0.22….<5.

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

24.

5 x 1.6 – 2 x 1.4	= ?
1.3

A.	0.4	B.	1.2
C.	1.4	D.	4

Answer: Option D

Explanation:

Given Expression =	8 – 2.8	=	5.2	=	52	= 4.
	1.3		1.3		13

25.

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

Answer: Option B

Explanation:

Sum of decimal places = 7.

Since the last digit to the extreme right will be zero (since 5 x 4 = 20), so there will be 6 significant digits to the right of the decimal point.