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JEE Main Maths: Number Systems / Exponents questions with solutions

1 questions with worked solutions.

Questions

Q1. Evaluate: (7^(-1/2) * 5²)² / sqrt(25³)

  1. 5/7
  2. 7/5
  3. 35
  4. -5/7

Answer: 5/7

Numerator simplifies to 5⁴/7 and denominator to 5³, so the result is 5⁴/(7*5³) = 5/7.

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