15% of 80% of 280
30% of 80% of 280
60% of 40% of 280
80% of 40% of 280
Answer is Wrong!
Answer is Right!
The correct answer is (b).
30% of 40% of 560 is equal to 0.3 * 0.4 * 560 = 72.
15% of 80% of 280 is equal to 0.15 * 0.8 * 280 = 33.6.
60% of 40% of 280 is equal to 0.6 * 0.4 * 280 = 67.2.
80% of 40% of 280 is equal to 0.8 * 0.4 * 280 = 96.
Therefore, (b) is the only option that is equal to 30% of 40% of 560.