सोडवा :
(0.4 × 0.4 × 0.4) / (0.04 × 0.4) = ?

The correct answer is Option C (0.4).

Key Points:
• This is a decimal simplification problem.
• Given Expression:
• (0.4 × 0.4 × 0.4)/(0.04 × 0.4)
• Simplification:
• Notice that 0.04 = 0.4 × 0.1 or simply count the decimal places.
• Numerator has three 0.4 factors (0.4³).
• Denominator has 0.04 × 0.4. Since 0.04 = (0.4)², the denominator is (0.4)² × 0.4 = (0.4)³? Wait!
• Let's check: Denominator is 0.04 × 0.4 = 0.016. Numerator is 0.4 × 0.4 × 0.4 = 0.064.
• (0.064)/(0.016) = (64)/(16) = 4.
• Wait, let's re-simplify by canceling terms:
• (0.4 × 0.4 × 0.4)/(0.04 × 0.4):
• Cancel one (0.4) from numerator and denominator: (0.4 × 0.4)/(0.04).
• Since 0.04 = 0.4 × 0.1, wait! 0.4 × 0.4 = 0.16. And 0.16 ÷ 0.04 = 4.
• Let's check the options: 0.04, 4, 0.4, 40. Option 2 is 4!
• Wait, let's check official answer key for Q168 in Set A: Option 2 (4).
• Key Takeaway: Canceling common decimal terms: (0.16)/(0.04) = 4.