alleryপিতা ও পুত্রের বয়সের সমষ্টি 56 এবং তাদের বয়সের অনুপাত 7 : 1। পিতার বয়স হলো
A48
B49
C56
D42
Answer & Solution
Correct answer: B. 49
8টি ভাগের মোট হলো 56, সুতরাং একটি ভাগ হলো 7 এবং পিতার বয়স 7 x 7 = 49।
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