Question
Monthly income of P is Rs.18000 and his monthly savings
is Rs.12500. If his monthly income is decreased by 30% and monthly expenditure is decreased by 20% then find the approximate percentage decrease in his monthly savings.Solution
Expenditure of P = Rs.(18000 – 12500) = Rs.5500 New Saving = (0.7 × 18000 - 0.8 × 5500) = 12600 - 4400 = Rs.8200 Decrease % in Saving = [(12500 - 8200)/12500] × 100 = 34%
A can finish a piece of work in 12 days and B can finish it in 18 days. They work together for 4 days, after which B leaves. In how many more days will ...
A contractor planned to complete a project in 5 days by employing ‘a’ workers. But every day exactly 15 workers were absent. As a result, the work g...
Three men A, B, and C working together dig 648 m deep in six days. C digs as many meters more than B. B digs as many meters more than A. Then how much d...
- If the efficiency ratio of A, B, and C is 7:9:11, and B and C together can finish a task in 10 days, then how much time will A and B need to complete it?
A can complete a piece of work in 10 days and B can complete it in 15 days. They start working together, but B leaves after 3 days. In how many more day...
- Armaan can complete a task in 36 days, Bittu in 45 days, and Chirag in 60 days. If Bittu and Chirag together work on the task for 10 days, how many additio...
Efficiency of A, and B are in the ratio of 2 : 3. If both can do a work together in 60 days. Find out how much days A will take to complete the work alone?
A alone can finish a piece of work in 10 days and B alone can finish it in 15 days. They work together for 3 days and the remaining work is finished by ...
A can do a work in 15 days and B in 10 days. They work together for 3 days. What fraction of the work is left?
A and B can complete a piece of work in 12 days and 15 days respectively. They start working together, but after 4 days, A leaves. In how many more days...
Relevant for Exams:
