Maths - Exponent
1. If 6412 ÷ 415 = 64?, then what will come in place of question mark(?)?
- Option : C
- Explanation : (C) 6412 ÷ 415 = 64?
⇒ (26)12 ÷ (22)15 = (26)?
⇒
⇒ (2)42 = (2)6 × ?
Comparing the power of both side,
42 = 6 × ? ⇒ ? = 7
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