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प्रश्न
On dividing 85 by ______ we get 8.
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उत्तर
On dividing 85 by 84 we get 8.
Explanation:
Let 85 be divided by x to get 8.
So, 85 ÷ x = 8
⇒ `8^5 xx 1/x = 8`
⇒ `8^5/8 = x`
∴ `x = 8^5/8^1`
= 85 – 1 ...[∵ am ÷ an = (a)m – n]
= 84
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