Six years ago, the average of the ages of Ravi, Mohan and Govind was 32 years. If Shyam joins them now, the average of the ages of all four of them is 36 years. The present age of Shyam is:
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e 30 years
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Understanding Tricks |
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Application Before 6 years The average ages of Ravi, Mohan and Govind was 32 years So Sum of the age = 32 × 3 = 96 Here sum of the present age = 96 + 18 = 114 |
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Now When Shyam join them (in present) Average = 36 So Present = 36 × 4 = 144 |
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This means the age of Shyam is = 144 - 114 30 years |