alleryশাৰীৰ আকাৰ সমানে বৃদ্ধি পায়; 4 শাৰীত 19 আৰু 10 শাৰীৰ 49 আছে। শাৰী 15 আকাৰ?
A79
B74
C69
D84
Answer & Solution
Correct answer: B. 74
প্ৰতিটো শাৰীৰ বৃদ্ধি (49 − 19) ÷ 6 = 5, গতিকে 15 শাৰীৰ 49 + 5 × 5 = 74।
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