alleryদুটা অংকৰ সংখ্যা এটা হ’ল ইয়াৰ অংকৰ যোগফলৰ 4 গুণ; ইয়াক ওলোটা কৰিলে 27 যোগ হয়। সংখ্যা?
A36
B24
C48
D63
Answer & Solution
Correct answer: A. 36
দহ a আৰু এককৰ বাবে b, 10a + b = 4(a + b) ৰ বাবে b = 2a, আৰু
9(b − a) = 27 ৰ পৰা 36 সংখ্যা পোৱা যায়।
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