alleryवर्गांची सलग बेरीज 1, 5, 14, 30, 55 अशी येते. पुढील बेरीज कोणती असेल?
A96
B90
C85
D91
Answer & Solution
Correct answer: D. 91
संख्यांमधील फरक हे 4, 9, 16, 25 हे वर्ग आहेत, त्यामुळे पुढील फरक 36 असेल आणि 55 + 36 = 91.
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