Model 7 Working with individual wages Section-Wise Topic Notes With Detailed Explanation And Example Questions

Question : 1

Some carpenters promised to do a job in 9 days but 5 of them were absent and remaining men did the job in 12 days. The original number of carpenters was

a) 18

b) 16

c) 24

d) 20

Question : 2

If x men can do a piece of work in x days, then the number of days in which y men can do the same work is

a) $x^2y$ days

b) $x^2/y$ days

c) xy days

d) $y^2/x$ days

Question : 3

If 7 men working 7 hrs a day for each of 7 days produce 7 units of work, then the units of work produced by 5 men working 5 hrs a day for each of 5 days is

a) $343/25$

b) $49/125$

c) $25/343$

d) $125/49$

Question : 4

If the work done by (x –1) men in (x + 1) days is to the work done by (x + 2) men in (x - 1) days are in the ratio 9 : 10, then the value of x is equal to :

a) 8

b) 7

c) 5

d) 6

Question : 5

10 men working 6 hours a day can complete a work in 18 days. How many hours a day must 15 men work to complete the same work in 12 days ?

a) 15 days

b) 12 days

c) 6 days

d) 10 days

Question : 6

If 80 persons can finish a work within 16 days by working 6 hours a day, the number of hours a day, should 64 persons work to finish that very job within 15 days is :

a) 6 hrs.

b) 8 hrs.

c) 5 hrs.

d) 7 hrs.