Question

A camp having 80 inmates has food sufficient for 70 days how many inmates should leave after 10 days so that the remaining food lasts another 80 days​

Answer 1

Left time = (70-10)days = 60days.

• 80 ------- 60

10 ------- 60×8

70 ------- 60×8÷7

No. of days will the food last = 60×8÷7 .

Answer 2

Question :- A camp having 80 inmates, has food sufficient for 70 days. How many inmates should leave after 10 days so that the remaining food lasts another 80 days ?

(A) 25

(B) 24

(C) 20

(D) 16

Solution :-

we know that,

• M1 * D1 = M2 * D2

given that,

• M1 = 80 inmates
• D1 = (70 - 10) = 60 days
• M2 = Let x inmates
• D2 = 80 days.

so,

→ 80 * 60 = x * 80

→ x = 60 inmates .

therefore,

→ Inmates should leave = 80 - 60 = 20 inmates (Ans.)

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