alleryএটা শিশুৰ বয়সৰ দুগুণৰ সৈতে 4 যোগ কৰিলে 12 হয়। বছৰ হিচাপত শিশুটোৰ বয়স হ'ল
A4
B6
C2
D8
Answer & Solution
Correct answer: A. 4
2x + 4 = 12-এ 2x = 8 দিয়ে, গতিকে x = 4।
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