alleryनिम्नलिखित में से कौन सी संख्या पूर्ण घन नहीं है?
A64
B243
C216
D1728
Answer & Solution
Correct answer: B. 243
64 = 4³, 216 = 6³, 1728 = 12³ पूर्ण घन हैं। 243 = 3^5 पूर्ण घन नहीं है (6³ = 216 और 7³ = 343 के बीच पड़ता है)।
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