In a camp 180 students had ration for 20 days. How many students should leave the camp if the ration should last for 25 days?

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RRB Non Technical Exam (Secunderabad) 2016 click here to view all questions

In a camp 180 students had ration for 20 days. How many students should leave the camp if the ration should last for 25 days?

A36

B24

C28

D40

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Correct answer is:36 Explanation: Total Ration = x Consumption of Each student for 20 days $= \frac{x}{180}$ Consumption of Each student for Per day $=  \frac{x}{180 \times 20}$ $\therefore$  Consumption of Each student for Per day $= \frac{x}{3600}$ Now we want ration to continue for 25 days. Total of number of students be y for 25 days consumption. $\frac{x}{3600} \times y \times 25 = x$ $y = \frac{3600}{25} = 144$ So total number of students to leave = 180 - 144 = 36 rahul ? answered Jan 13 '2020 at 11:45 All Comments

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