alleryવર્ગોનો ક્રમિક સરવાળો 1, 5, 14, 30, 55 આપે છે. હવે પછીનો સરવાળો કયો હશે?
A96
B90
C85
D91
Answer & Solution
Correct answer: D. 91
તફાવતો વર્ગ સંખ્યાઓ 4, 9, 16, 25 છે, તેથી હવે પછીનો તફાવત 36 થશે અને 55 + 36 = 91.
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