Question

The present ages of Riddhi and Shweta are in the ratio 4:5. After three years, the average of
their ages will be 21 years. Find the present age of Shweta​

Answer 1

Answer:

Problems in calculating the age of an individual are very common in the quantitative aptitude section. In the present article, we will discuss the Ratio Based Age Problems. In such problems, the ages of two or more people will either be such that they bear a ratio or they will have some relation by which we can get a ratio. Here we will see how to solve these problems. We will also develop formulae and shortcuts that will save us a lot of precious time. Let us start by defining what we mean by a ratio.

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