Simplification

Quantitative Aptitude (CHSL)

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64⁵ × 8⁹ ÷ 512⁴ = 8^x

11

16

12

9

7

Explanation:

64⁵ = 8¹⁰
512⁴ = 8¹²
So 8¹⁰ * 8⁹ = 8¹⁹
8¹⁹/8¹² = 8⁷
Now 8⁷ = 8^x
So x = 7

Hence, opiton 5 is the correct answer.

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