If one?third of one-seventh of a number is 15, then two-fifth of that number is

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If one?third of one-seventh of a number is 15, then two-fifth of that number is

Asked on 2018-06-30 02:21:18 by Guest | Votes 0 | Views: 129 | Tags: sbi | sbi clerk | sbi clerk 15 feburary 2015 | quantitative aptitude | Add Bounty

If one?third of one-seventh of a number is 15, then two-fifth of that number is
1). 158
2). 165
3). 142
4). 136

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2 answers

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Answered by Guest on 2019-04-06 13:16:39 | Votes 2 | #

Solution

Let the number = $x$

=> $\frac{1}{3} \times \frac{1}{7} \times x = 15$

=> $x = 15 \times 21 = 315$

$\therefore$ Two fifth of the number

= $\frac{2}{5} \times 315$

= $2 \times 63 = 126$

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0 vote

Answered by Guest on 2019-04-18 22:33:50 | Votes 0 | #

Solution

Let the number = $x$

=> $\frac{1}{3} \times \frac{1}{7} \times x = 15$

=> $x = 15 \times 21 = 315$

$\therefore$ Two fifth of the number

= $\frac{2}{5} \times 315$

= $2 \times 63 = 126$

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