alleryवडिलांचे वय मुलाच्या वयाच्या तिप्पट आहे. 12 वर्षांनंतर त्यांचे वय दुप्पट असेल. तर वडिलांचे आजचे वय किती?
A36
B48
C30
D42
Answer & Solution
Correct answer: A. 36
3x + 12 = 2(x + 12) वरून, x = 12, म्हणून वडिलांचे वय 36 आहे.
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