Q199 / 270 · NDA 2013 (Phase 1) · Mathematics

Consider the following frequency distribution: Figure
If the total of the frequencies is 100 and mode is 25 , then which one of the following is correct?

  • A
    $x=2 y$
  • B
    $2 x=y$
  • Correct answer
    C
    $x=y$
  • D
    $x=3 y$

Solution

$\begin{aligned} & 14+x+27+y=15=100 \\ & x+y=44 \\ & \therefore x=y \text { is only possibility }\end{aligned}$

Hence, the correct answer is option: 'C'.

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