Question

17. After 10 years. Fatima will be three times as old as she is now. Find her present age.
18. After 32 years, Rahim will be 5 times as old as he was 8 years ago. How old is Rahim today?
has contains 25-paisa and 50-pais coins whose total value is 30. If the number of
and their present ages.
ni rach type of coins​

Answer 1

Answer:

5 years

Step-by-step explanation:

Present age of Fatima = x years

Age of Fatima after 10 years = (x+10) years

Then,

3x = x+10

3x-x = 10

2x = 10

x = 10/2

x = 5

Hence present age of Fatima = 5 years

18. Let the present age of Rahim be x. Then,

Age of Rahim 8 years ago = (x-8) years

Age of Rahim after 32 years = (x+32) years

A/q

5(x-8) = x+32

5x-40 = x+32

5x-x = 32+40

4x = 72

x = 72/4

x = 18

Hence Rahim's present age = 18 years

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