Chapter Mock 6: Average and Ages Questions (Page 2)
Browse questions from Chapter Mock 6: Average and Ages. Each question has options and an explanation.
Questions — Page 2 of 2
- The average height of $50$ students is $152$ cm. Ten students of average height $148$ cm leave and ten new students of average height $150$ cm join. The new average height is:
- The sum of the present ages of Hari and Mohan is double the difference of their present ages. Four years ago this relation became one-and-a-half times. The ratio of their ages after $12$ years is:
- Geeta is $5$ years older than Mahesh. Their father’s present age is twice the sum of their present ages. At the time of Mahesh’s birth, the father was $8$ times Geeta’s age then. Mahesh’s present age is: