Page 157 - ICSE Math 7

7. I am currently 5 times as old as my daughter. In 6 years from now, I will be three times as old
as she will be then. Find our current ages.
8. The length of a field is twice its breadth. If the perimeter of the field is 120 m, find its length and
breadth.

9. In an isosceles triangle, the base angles are equal. The vertex angle is 40°. What are the base
angles of the triangle?
10. People of Vrindavan planted a total of 102 trees along the village road. Some of the trees were
fruit-bearing trees. The number of non-fruit-bearing trees was two more than thrice the number
of fruit-bearing trees. What was the number of fruit-bearing trees planted?
11. Soumya works in an electronics showroom which sells TV sets. Her base salary is ` 10,000 per
month. Soumya also gets an incentive of ` 240 on every TV set she sells. Find the number of TV
sets she should sell in order to earn ` 14,320 next month.
12. If 2 is added to a number and the sum is multiplied by 5, the result is 120. Find the number.

13. Divide ` 550 between Radha and Ritika so that Radha gets ` 24 more than Ritika.
14. If a number is multiplied by 6 and then 12 is subtracted from it, the result is 60. Find the number.

THINK SMART

1. Annie is twice as old as Maahi. If 5 years are subtracted from Maahi’s age and 3 years are added
to Annie’s age, then Annie’s age will be 3 times Maahi’s age. How old were they two years ago?

2. Mehul has some marbles. He gave one-fourth of the marbles to Sia, one-third of the marbles to
Priya and 25 marbles to Rahul. How many marbles did Mehul have?

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