alleryএকজন পিতার বয়স তাঁর পুত্রের বয়সের তিনগুণ। 12 বছর পর তাঁর বয়স দ্বিগুণ হবে। পিতার বর্তমান বয়স হল
A36
B48
C30
D42
Answer & Solution
Correct answer: A. 36
3x + 12 = 2(x + 12) থেকে, x = 12, সুতরাং পিতার বয়স 36।
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