Given:
A can finish the job = 8 hours
B can finish the job = 12 hours
Formula Used:
Work rate of A = 1 job / 8 hours
Work rate of B = 1 job / 12 hours
Combined work rate = Work rate of A + Work rate of B
Time taken to complete the job together = 1 / Combined work rate
Solution:
Calculate the work rate of A:
Work rate of A = 1 / 8
Calculate the work rate of B:
Work rate of B = 1 / 12
English
80 Questions
160 Marks
60 Mins English English20 Questions40 Marks12 Mins English English80 Questions160 Marks60 Mins EnglishIn an NSS college camp, there is food provision for 350 students for 40 days. If 50 more students join the camp, then for how many days will the provision last?
If 1215 kg of rice is consumed by 189 girls for 8 days in a girl’ s hostel, then how much rice (in kg) is required for consumption by 252 girls for 10 days?
25 persons, each working 10 hours a day, can complete 2 units of work in 4 days. How many days will it take for 10 persons working 9 hours a day to complete 18 units of work?
8 men and 3 women can do a piece of work in 7 days, whereas 5 men and 1 woman can do it in 12 days. How many men should assist 8 women so that the same work is completed in days?
A work can be completed by x persons in 50 days. Due to absence of 5 persons, the work was completed in 55 days. The value of x is
9 men can complete a piece of work in 8 days, while 4 women can do it in 9 days. In how many days can 2 women and 4 men complete this work?
To finish a work in 8 days, 10 men are required, or 15 women are required. If 'x' men and 'y' women are required to finish the work in 12 days, then which of the following equations is correct?
4 men can complete a piece of work in 10 days, while 3 women can do it in 16 days. In how many days can 6 women and 5 men complete this work?
6 men can complete a piece of work in 9 days, while 6 women can do it in 6 days. In how many days can 2 women and 3 men complete this work?
Suggested Test Series
Suggested Test Series
