alleryપ્રથમ ચાર અવિભાજ્ય સંખ્યાઓના વર્ગ 4, 9, 25, 49 છે. પાંચમો કયો છે?
A169
B100
C81
D121
Answer & Solution
Correct answer: D. 121
પદો અવિભાજ્ય સંખ્યાઓ 2, 3, 5 અને 7 ના વર્ગ છે, તેથી આગળનું પદ 11 નો વર્ગ છે, જે 121 થાય છે.
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