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  9. Q4

RRB Junior Engineer / DMS / CMA 2015 · Question 4 of 480

If 8,12,14,x are in proportion, then x is equal to

Mathematics - Ratio and Proportion

  1. Aa. 18
  2. Bb. 20
  3. Cc. 21Correct
  4. Dd. 28

Answer: C. c. 21

Explanation

According to the question, 8,12, 14, x are inproportion 8 _ 14 T2 urT 14x12 a b — x — b c 5 3 -X- : 6 4 x ■ = 21

Source: Arihant RRB JE Solved Paper 26-Aug-2015 (3rd Shift), Q91–150 — published solved-paper compilation (Q1–90 technical not included in this source) · memory-based

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