alleryఒక పిల్లవాని వయస్సుకు రెట్టింపునకు 4 కలిపితే 12 అవుతుంది. సంవత్సరాలలో ఆ పిల్లవాని వయస్సు
A4
B6
C2
D8
Answer & Solution
Correct answer: A. 4
2x + 4 = 12 నుండి 2x = 8 వస్తుంది, కాబట్టి x = 4.
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