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Question 2Asked in BPSC TRE 1.0 (2023) General Studies Class 1-5 (2nd Sitting)

The simplified form of (4⁻¹ + 8⁻¹) ÷ [1 / (3/2)⁻²] is(4⁻¹ + 8⁻¹) ÷ [1 / (3/2)⁻²] का सरलीकृत रूप है

(4⁻¹ + 8⁻¹) ÷ [1 / (3/2)⁻²] का सरलीकृत रूप है
  1. A1/61/6
  2. B2/32/3
  3. C1/21/2
  4. DMore than one of the aboveउपर्युक्त में से एक से अधिक
  5. ENone of the aboveउपर्युक्त में से कोई नहीं
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Correct answer: (A) 1/61/6

Explanation

4⁻¹ + 8⁻¹ = 1/4 + 1/8 = 3/8. 1/(3/2)⁻² = (3/2)² = 9/4. So 3/8 ÷ 9/4 = 3/8 × 4/9 = 1/6.4⁻¹ + 8⁻¹ = 1/4 + 1/8 = 3/8 तथा 1/(3/2)⁻² = (3/2)² = 9/4। अतः 3/8 ÷ 9/4 = 3/8 × 4/9 = 1/6।

From BPSC TRE 1.0 (2023) General Studies Class 1-5 (2nd Sitting) — Previous Year Paper

This is question 2 of BPSC TRE 1.0 (2023) General Studies Class 1-5 (2nd Sitting) — Previous Year Paper. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.