NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 4: Simple Equations - Problems and Solutions
Question 78

Question. 78

After 20 years, Manoj will be 5 times as old as he is now. Find his present age.

Answer:

5 years

Detailed Answer with Explanation:

Let present age = x.
x + 20 = 5x ⇒ 20 = 4x ⇒ x = 5.

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NCERT Exemplar Solutions Class 7 – Mathematics – Unit 4: Simple Equations – Problems and Solutions | Detailed Answers