Question
If the ratio of time periods of investment of A and B is
2:5, profit at the end of the year is Rs.100000 and A’s share in it is Rs.20000, then what is the ratio of A’s and B’s investment?Solution
Let the ratio of A’s and B’s investment be x:y. The ratio of time periods of investment of A, => [2x/(2x+5y)] x 100000 = 20000 => [2x/(2x+5y)] = 1/5 => 10x = 2x + 5y => 8x = 5y => x:y = 5:8
‘A’ and ‘B’ can complete a certain work in 18 days and 10 days, respectively. They started working together and worked till completion of the wo...
A and B can complete a task together in 18 days, while B alone takes 36 days to finish it. A began working alone and left after ‘x’ days, after whic...
A can copy 70 pages in 20 hours, A and B together can copy 120 pages in 12 hours. Then in how many pages can B copy 10 hours.
Akhil and Nikhil together can complete a work in 5 days while Nikhil alone takes 10 days to complete 40% of the work. If the efficiency of Sachin is 25%...
40 men or 50 women can build a wall in 30 days. If 40 men and 50 women work together, how many days will they take to complete 60% of the work?
Ashish and Anil can do a piece of work in 20 days and 28 days respectively. Ashish completed 75% of the work. Find the time taken by Anil to complete th...
A and B together can complete a piece of work in 32 days while A alone can complete 40% of the work in 32 days. Find the time taken by B to compl...
A certain Sales target was assigned to a team of men to complete in 18 days. But 8 men did not turn up for the target and the rest men complete the sale...
A contractor hired 50 workers to complete a work in 80 days. After 50 days, it was found that only 1/4th of the work was completed. Find the number of e...
- Karan is capable of doing 50% of a job in 25 days, while Meera does 25% of it in 20 days. Karan works for 20 days and then leaves. How many days will Meera...