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A man is thrice as old as his son. Five ...

A man is thrice as old as his son. Five years ago the man was four times as old as his son. Find their present ages.

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The correct Answer is:
45 years, 15 years
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RS AGGARWAL-LINEAR EQUATIONS IN ONE VARIABLE -EXERCISE 9C
  1. When Raju multiplied a certain number by 17 and adds 4 to product, he ...

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  2. If a number is tripled and the result is increased by 5, we get 50. Fi...

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  3. Find two numbers such that one of them exceeds the other by 18 and th...

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  4. One out of two numbers is thrice the other. If their sum is 124, find ...

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  5. Find two numbers such that one of them is five times the other and the...

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  6. The sum of two consecutive even numbers is 74. Find the numbers.

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  7. The sum of three consecutive odd numbers is 21. Find the numbers.

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  8. Reena is 6 years older than her brother Ajay. If the sum of their ages...

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  9. Deepak is twice as old as his brother Vikas. If the difference of thei...

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  10. Mrs Goel is 27 years older than her daughter Rekha. After 8 years she...

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  11. A man is 4 times as old as his son. After 16 years he will be only twi...

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  12. A man is thrice as old as his son. Five years ago the man was four tim...

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  13. After 16 years, Fatima will be three times as old as she is now. Find...

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  14. After 32 years, Rahim will be 5 times as old as he was 8 years ago. H...

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  15. A bag contains 25-paisa and 50-paisa coins whose total value is Rs30.I...

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  16. Five times the price of a pen is Rs. 17 more than three times its pric...

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  17. The number of boys in a school is 334 more than the number of girls. I...

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  18. The length of a rectangular park is thrice its breadth. If the perime...

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  19. The length of a rectangular hall is 5 metres more than its breadth. If...

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  20. A wire of length 86 cm is bent in the form of a rectangle such that it...

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