alleryएक पिता की आयु अपने पुत्र की आयु की तिगुनी है। 12 वर्ष बाद वह अपने पुत्र से दोगुनी आयु का होगा। पिता की वर्तमान आयु कितनी है?
A36
B48
C30
D42
Answer & Solution
Correct answer: A. 36
3x + 12 = 2(x + 12) से x = 12 प्राप्त होता है, इसलिए पिता की आयु 36 वर्ष है।
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