A and B are two heavy steel blocks. If B is placed on the top of A, the weight increases by 60%. How much weight will reduce with respect to the total weight of A and B, if B is removed from the top of A?
60%
45.5%
40%
37.5%
Answer is (d). Let the weight of A be 100 kg. So, the combined weight of A + B will 160 kg. Out of this 160 kg, 60 kg is reduced now. 60 is what percent of 160? 60×100/160 = 37.5%.
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