ਹੇਠ ਲਿਖਿਆਂ ਵਿੱਚੋਂ ਕਿਹੜਾ ਸੰਖਿਆ ਇੱਕ ਸੰਪੂਰਨ ਘਣ ਨਹੀਂ ਹੈ?
A64
B243
C216
D1728
Answer & Solution
Correct answer: B. 243
1. 64 = 4³, 216 = 6³ ਅਤੇ 1728 = 12³, ਸਾਰੇ ਸੰਪੂਰਨ ਘਣ। 2। 243 ਲਈ, ਧਿਆਨ ਦਿਓ 6³ = 216 ਅਤੇ 7³ = 343, ਇਸ ਲਈ 243 ਲਗਾਤਾਰ ਘਣਾਂ ਦੇ ਵਿਚਕਾਰ ਹੈ। 3। ਇਸ ਲਈ 243 ਇੱਕ ਸੰਪੂਰਨ ਘਣ ਨਹੀਂ ਹੈ (ਇਹ ਅਸਲ ਵਿੱਚ 3⁵ ਹੈ)। _ਸਰੋਤ: RRB ਗਰੁੱਪ D (RRC) PYQ, ਆਯੋਜਿਤ 27-10-2013, Q.40._
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