chetan2u wrote:

A stretch of land measuring 50 m in length is covered with wall on sides. If 2*2 *2m boxes are to placed at equal interval of 5m from each other and atleast 5 m from the walls, how many boxes can be placed in entire length of 50m?

(A) 6

(B) 7

(C) 8

(D) 9

(E) 10

New Question

Its (A)

Total length = 50 m

As first box has to be placed 5 mts away from the wall and one box is of 2 m (as all dimensions are of 2 m);

we have (5+2) + (5+ 2) + (5 +2) + (5+2) + (5+2) + (5+2) = 6 sets covered 42 mts

If we place one more box it will give us 49 mts, but as the distance from wall should be 5 mts, we can't place this set.

Therefore (A), we can place only 6 boxes.

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