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?
বিকল্পসমূহ (নিজের উত্তর যাচাই করতে ক্লিক করুন):
সঠিক উত্তর
1 (20 years)
বিস্তারিত ব্যাখ্যা ও বিশ্লেষণ:
Solution:
Let the mother's age be 2x years
Then, Son's age = x years
ATQ,
2x - 10 = 3(x - 10)
⇒ 2x - 10 = 3x - 30
⇒ x = 20
