Question
Currently, Person 'A' is 42 years old. Person 'B' is 6
years younger than 'A'. Three years ago, the age of 'C' was 25% less than what 'B' is right now. What is the ratio of the current ages of 'A' to 'C'?Solution
Present age of ‘B’ = 42 – 6 = 36 years Present age of ‘C’ = 0.75 × 36 + 3 = 30 years Required ratio = 42:30 = 7:5
A merchant bought 300 goods at Rs. 50 each. He sold a part at a 20% profit and the rest at a 10% loss. If his overall profit is 4%, how many goods did h...
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