Model 2 Formula method ‘M1D1W1 = M2D2W2’ Section-Wise Topic Notes With Detailed Explanation And Example Questions

Question : 1

A and B undertook to do a piece of work for Rs.4500. A alone could do it in 8 days and B alone in 12 days. With the assistance of C they finished the work in 4 days. Then C’s share of the money is

a) Rs.2250

b) Rs.1500

c) Rs.375

d) Rs.750

Question : 2

Two men undertook to do a job for Rs.1400. One of them can do it alone in 7 days, and the other in 8 days. With the assistance of a boy they together completed the work in 3 days. How much money will the boy get ?

a) Rs.300

b) Rs.325

c) Rs.250

d) Rs.275

Question : 3

A and B undertake a piece of work for Rs. 250. A alone can do that work in 5 days and B alone can do that work in 15 days. With the help of C, they finish the work in 3 days. If every one gets paid in proportion to work done by them, the amount C will get is :

a) Rs.50

b) Rs.100

c) Rs.200

d) Rs.150

Question : 4

A, B and C together earn Rs.150 per day while A and C together earn Rs.94 and B and C together earn Rs.76. The daily earning of ‘C’ is

a) Rs.56

b) Rs.20

c) Rs.75

d) Rs.34

Question : 5

If 5 men or 7 women can earn Rs.5,250 per day, how much would 7 men and 13 women earn per day ?

a) Rs.11,600

b) Rs.11,700

c) Rs.17,100

d) Rs.16,100