Question 48: The value of 0.9 ÷ ( 0.3 × 0.3 ) 0.9÷(0.3×0.3) is:

 Question 48:

The value of $0.9 \div (0.3 \times 0.3)$ is:
(a) 0.01 (b) 0.1 (c) 1 (d) 10

Step 1: Solve inside the bracket first

$$0.3 \times 0.3 = 0.09$$

Step 2: Divide 0.9 by 0.09

$$0.9 \div 0.09 = 10$$

✅ Answer: (d) 10

Tip for fast calculation:

• Convert decimals to whole numbers by multiplying numerator and denominator by 100:

$$0.9 \div 0.09 = 90 \div 9 = 10$$

This avoids small decimal division mistakes.