Question
‘C’ and ‘D’ jointly started a business. ‘C’
invested an amount which was 20% more than ‘D’. However, ‘D’ invested his capital for 10% less time than ‘C’. Calculate their profit ratio at year end.Solution
ATQ,
Let amount invested by ‘D’ be Rs. s
Amount invested by ‘C’ = Rs. 1.2s
Let time for which ‘C’ invested = t months
Time for which ‘D’ invested = 0.9t months
Profit ratio = (1.2s × t):(s × 0.9t) = (1.2t):(0.9t) = 12:9 = 4:3
A and B together can do a work in 5 days. If A can alone do the same work in 15 days, then in how many days B alone will do the same work?
A and B can complete a job together in 30 days; B and C can complete the same job together in 25 days, while C and A can complete the same job together ...
Sufficient food-supply was arranged to last for 30 days for 250 soldiers. If 50 soldiers did not attend the camp, for how many extra days will the food-...
‘A’ is 80% more efficient than ‘B’. ‘A’ and ‘B’ work together for 5 days after which ‘A’ is replaced by ‘C’. ‘B’ and ‘C�...
Shivam and Harish can do a job alone in 90 days and 120 days respectively. Both work together and earn Rs. 5,250. Find Shivam’s earnings.
Suppose Y individuals can complete a task in (Y - 28) days, and (Y + 12) individuals can finish the same task in (Y - 32) days, what is the number of da...
- 40 women working 10 hours a day take 12 days to complete a project. How many women working for 7 hours a day are needed to complete twice the given project...
‘A’ and ‘B’ can do a piece of work in 15 days and 20 days, respectively. They started working together but ‘A’ left after 3 days. Find the t...
3 men, 4 women and 5 boys can do a piece of work in 15 days, 20 days and 25 days respectively. For first 3 days 3 men and 2 women work together and for ...
Ravi and Rekha, alone can complete a work in 25 days and 50 days, respectively. They started the work together and left after 10 days such that the rem...
Relevant for Exams:
