RRB Paramedical Staff Nurse Model Paper 7

Question : 50 of 100

Marks: +1, -0

A and B can complete a piece of work in 15 days and 10 days, respectively. They contracted to complete the work for Rs. 30000. The share of A in the contracted money will be

Rs. 18000
Rs. 16500
Rs. 12500
Rs. 12000

Validate

Solution:

Total amount

=30000

A's 1 days work

=\;{1}/{15}

B's 1 days work

=\;{1}/{10}

Ratio

=\;{1}/{15}:{1}/{10}=2: 3

(taking L C M)
Sum of the ratios

=2+3=5

Thus, A's share

=\;{2}/{5} × 30000

=\Rs 12000

Go to Question:

Prev Question

Next Question