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Operations on Measurement of Mass

At birth, a b...

Question

At birth, a baby weighs around 2.5 kg. After 2 years the baby weight is around 10 kg. How many times is a baby heavier than he was at birth?

A

5 times

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B

4 times

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C

2.5 times

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D

3 times

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Solution

The correct option is B 4 times
Weight of a baby at birth = 2.5 kg
After 2 years baby weight = 10 kg
Number of times a baby after 2 years heavier than him at birth = $\frac{10}{2.5} = 4$
So, the baby after 2 years 4 times heavier than him at birth.

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