alleryஒரு குழந்தையின் வயதின் இருமடங்குடன் 4-ஐக் கூட்டினால் 12 கிடைக்கும். அக்குழந்தையின் வயது (ஆண்டுகளில்):
A4
B6
C2
D8
Answer & Solution
Correct answer: A. 4
2x + 4 = 12 என்பது 2x = 8 எனத் தருகிறது, எனவே x = 4.
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