A B and C can do a piece of work in 10 15 and 30 days respectively If B and C both assist A on every...........

Quantitative Aptitude (MTS) Time and work

A. B and C can do a piece of work in 10, 15 and 30 days, respectively. If B and C both assist A on every third day, then in how

many days will 40% of the work be completed?

This questions was previously asked in

SSC MTS 22nd October 2021 Shift-3

View All SSCMTS Previous Year Papers

$3\frac{1}{2}$

$2\frac{1}{2}$

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Explanation:

Given,
A. B and C can do a piece of work in 10, 15 and 30 days, respectively.
Let the total work be 30 units (LCM of 10,15 and 30)
As we know,
Efficiency or one day work = Total work / Time taken
Efficiency of A = 3
Efficiency of B = 2
Efficiency of C = 1
Condition given : B and C assist A on every third day