Question
A man deposited Rs. 13000 at 10% compound interest,
compounded annually while Rs. 11500 at 13% simple interest per annum. What will be the difference between the compound interest and the simple interest earned by him after 3 years?Solution
Compound interest earned by the man in 3 years = 13000 × {(1 + 10/100)3 – 1)} = 13000 × 0.331 = Rs. 4303 Simple interest earned by the man in 3 years = 11500 × 0.13 × 3 = Rs. 4485 Required difference = 4485 – 4303 = Rs. 365
2 men and 3 boys can do a piece of work in 405 days while 3 men and 2 boys can do the same work in 324 days. In how many days can 5 men and 5 boys do th...
36 workers are digging a tunnel 5 km long. After working for 20 days, only 2/3 of the tunnel is completed. Then 4 more workers join the team. How many d...
Three workers, A, B, and C, can complete a task in 40 days, 72 days, and 45 days respectively. They start working together, but A leaves 20 days before ...
P alone can finish a piece of work ‘M’ in 12 days while Q takes 8 days to finish it alone. P, Q and R working together can finish the work ‘N’ w...
- 35% of the work done by Sunil in 8 days is equal to 70% of the work done by Raj in 3 days. If Sunil alone can do the work in 24 days, find the number of da...
A and B can complete a work together in 20 days. If A alone can complete one-fourth of the work in ‘x’ days and remaining work is completed ...
"A" can complete a task in 15 days, while it takes 25 days for "B" to complete the same task. The ratio of the efficiencies of "A" and "C" is 2:1. If a ...
'Zara' is capable of finishing a specific task in 60 days. On the other hand, 'Armaan' takes 40% more time than 'Zara' to complete the same task, while ...
X and Y together can complete 30% of a work in 12 days while Y alone takes 100% more time than X and Y together to finish the whole work. Find the time ...
‘A’ and ‘B’, alone can complete a work in 25 days and 50 days, respectively. Both of them started the work together but ‘A’ left the work wh...
Relevant for Exams:
