Find the missing number in the following question.
$7$ $9$ $21$ $27$
$4$ $2$ $36$ $18$
$9$ $4$ $54$ $?$

18

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24

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36

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4

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Solution

The correct option is A $24$
In the first row : $\frac{21}{7} = \frac{27}{9}$
In the second row : $\frac{36}{4} = \frac{18}{2}$
$∴$ In the third row : $\frac{54}{9} = \frac{x}{4} \Rightarrow x = 24$

Suggest Corrections

Similar questions

\frac{16}{24} = \frac{4}{□}

\frac{28}{36} = \frac{- 7}{□}

\frac{18}{54} = \frac{□}{6}

\frac{- 21}{36} = \frac{□}{4}

9, 18, 36, ?, 144

Prepare a frequency distribution by inclusive method taking class interval of 7 from the following data:

1, 4, 9, ?, 25, 36

18, 21, 24, 27, . . . .

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