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  1. If 102/5 × 108/5 = 10n, the value of n is :
    1. 2
    2. 3
    3. 6
    4. 4
Correct Option: A

∵ 102/5 × 108/5 = 10n
⇒ 102/5 + 8/5 = 10n
⇒ 1010/5 = 10n ⇒ 102 = 10n ⇒ n = 2
Hence, the value of n is 2.


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