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

Question : 1

If there is a reduction in the number of workers in a factory in the ratio 15 : 11 and an increment in their wages in the ratio 22 : 25, then the ratio by which the total wages of the workers should be decreased is

a) 6 : 5

b) 5 : 6

c) 3 :5

d) 3 : 7

Question : 2

A and B were assigned to do a job for an amount of Rs.1,200. A alone can do it in 15 days, while B can do it in 12 days. With the help of C, they can finish in 5 days. The share of amount that C earns is

a) Rs.300

b) Rs.400

c) Rs.600

d) Rs.500

Question : 3

Three persons undertake to complete a piece of work for Rs.1,200. The first person can complete the work in 8 days, second person in 12 days and third person in 16 days. They complete the work with the help of a fourth person in 3 days. What does the fourth person get?

a) Rs.180

b) Rs.200

c) Rs.250

d) Rs.225

Question : 4

A daily-wage labourer was engaged for a certain number of days for Rs.5,750; but being absent on some of those days he was paid only Rs.5,000. What was his maximum possible daily wage?

a) Rs.125

b) Rs.250

c) Rs.500

d) Rs.375

Question : 5

A certain factory employed 600 men and 400 women and the average wage was Rs.2.55 per day. If a women got 50 paise less than a man, the daily wages of a man and a woman were

a) Man Rs.2.75, Woman Rs.2.25

b) Man Rs.5.30, Woman Rs.2.50

c) Man Rs.3.25, Woman Rs.2.75

d) Man Rs.2.50, Woman Rs.2.00

Question : 6

A man and a boy received Rs.800 as wages for 5 days for the work they did together. The man’s efficiency in the work was three times that of the boy. What are the daily wages of the boy ?

a) Rs.76

b) Rs.56

c) Rs.40

d) Rs.44