# Aptitude - Decimal Fraction

### Exercise :: Decimal Fraction - General Questions

21.

34.95 + 240.016 + 23.98 = ?

 A. 298.095 B. 298.111 C. 298.946 D. 299.09

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

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

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

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

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.