SSC MTS Model Paper 8

Question : 92 of 100

Marks: +1, -0

15 men can finish a piece of work in 40 days. The number of days after which 5 men should leave the work so that the work is finished in 45 days altogether is:

Validate

Solution:

{M}_{1}

{D}_{1}

{M}_{2}

{D}_{2}

{M}_{3}

{D}_{3}

15 x 40 = 15 × x + 10 x (45 — x)
=> 600 = 15x + 450 - 10x
=> 600 - 450 = 5x
=> 5x = 150
=> x = 150/5 = 30 days

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