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

Question : 1

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 : 2

The average wage of 500 workers was found to be Rs.200. Later on, it was discovered that the wages of two workers were misread as 180 and 20 instead of 80 and 220. The correct average wage is :

a) Rs.200.10

b) Rs.200.20

c) Rs.201.00

d) Rs.200.50

Question : 3

A can do a work in 12 days while B can do it in 15 days. They undertake to complete it together for Rs.450. what will be the share of A in this amount of money ?

a) Rs.200

b) Rs.240

c) Rs.300

d) Rs.250

Question : 4

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 : 5

2 men and 1 woman together can complete a piece of work in 14 days, while 4 women and 2 men together can do it in 8 days. If a man gets Rs.600 per day, how much should a woman get per day?

a) Rs.400

b) Rs.450

c) Rs.360

d) Rs.480

Question : 6

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