alleryवडील आणि मुलाच्या वयाची बेरीज 56 असून त्यांच्या वयाचे गुणोत्तर 7 : 1 आहे. वडिलांचे वय किती?
A48
B49
C56
D42
Answer & Solution
Correct answer: B. 49
एकूण 8 भाग मिळून 56 होतात, त्यामुळे एक भाग 7 आहे आणि वडिलांचे वय 7 x 7 = 49 आहे.
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