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  1. If a1/3 =11, then the value of a2 – 331a is
    1. 1331331
    2. 1331000
    3. 1334331
    4. 1330030
Correct Option: B

a1/3 =11 ⇒ a = 113 = 1331
∴  a2 – 331a = a(a – 331)
= 1331 (1331 – 331)
= 1331 × 1000 = 1331000


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