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The length of one rail is 15 m and the number of sleepers per rail length is 22. Find the expression for sleeper density and also find the number of s
Question

The length of one rail is 15 m and the number of sleepers per rail length is 22. Find the expression for sleeper density and also find the number of sleepers required for the construction of 525m of track.

A.

770, (M+9)

B.

888, (M+7)

C.

888, (M+9)

D.

770, (M+7)

Correct option is D

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