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