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Total age of 12 girls = 12 x 35 = 420 years If the age of two more girl is added the average decreases by one and a half year, Total age of 14 girls = 33.5 x 14 = 469 Now, sum of the age of new girls= 469 - 420 = 49 years
A, B, and C can finish a job in 12, 15, and 18 days, respectively. They collaborate to complete the task and receive a combined payment of Rs. 592 for t...
P does one fourth as much work as Q in two third of the time. If together they take 24 days to complete the work, how much time shall Q take to do it?
P and Q together can do a piece of work in 30 days, Q and R together can do it in 20 days. P starts the work and works on it for 5 days, then Q takes it...
x men can finish a work in y days. 0.9x women can finish 1/3rd of the same work in (y - 8) days. If 0.8x women can complete 1/3rd work in 36 days. Find ...
A person travelled for the first 150 km at a certain speed in 6 hours. After that, the speed of the person decreased by 6 km/h. If the person took a tot...
Individuals 'A', 'B', and 'C' can complete a certain task independently in 3, 4, and 6 days respectively. If they collaborate on the task, how many days...
‘n’ men working 20 hours a day can complete a work in 8 days while (6n – 4) men working 10 hours a day can complete the same work in 8...
The work can be completed by 'P' boys in 16 days, and by (P + 1) girls in 20 days. Additionally, if 8 boys and 12 girls w...
Nakul can do a piece of work in 12 days; Aaravya is 50% more efficient than Nakul. How much more time does Nakul take than Aaravya to do the same piece ...
