The present age of son is half of the present age of his mother. Ten years ago, his mother's age was thrice the age of her son . What is the present age of the son?

Created: 5 years ago | Updated: 3 years ago

Updated: 3 years ago

25 years

20 years

30 years

40 years

Pubali Bank Ltd জুনিয়র অফিসার ০১. ০৩. ২০১৯ গণিত বয়স (Ages)

ব্যাখ্যা

465

Best Ans:

Let, present age of son be 'x'

" " " mother be '2x'

So, 10 years ago, age of son was 'x - 10'

" " " " mother was '2x - 10'

ATQ,

2x - 10 = 3(x - 10)

= > 3x - 2x = 30 - 10

∴x = 20 Ans.

5 years ago

1 0

Md Azizur Rahman

Founder of Satt

বয়স (Ages)