Question

8. 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​

Answer 1

20 is correct answer

this is right

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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