Decimal Fractions with Explanation

Q1. The simplification of gives:

A. 0.09 B. 0.9
C. 0.009 D. 9

Q2. The value of is:

A. 0 B. 1.6
C. 2 D. 3.4

Q3. is equal to:

A. 11 B. 0.11
C. 0.1 D. 1.1

Q4. If 213 x 16 = 3408, then 1.6 x 21.3 is equal to:

A. 3.408 B. 0.3408
C. 34.08 D. 340.8

Q5. The value of 0.0396 ÷ 2.51 correct to 2 significant figures is:

A. 0.0157 B. 0.017
C. 0.015 D. 0.016

Q6. A tailor has 37.5 meters of cloth, and he has to make 8 pieces out of a meter of cloth. How many pieces can be make out of this cloth?

A. 400 B. 300
C. 360 D. None of these

Q7. The least among the following is:

A. 0.2 B. 1 ÷ 0.2
C. 0.2‾ D. (0.2)2