A shopkeeper sold two articles. He sold one article at Rs.3175 and got 27% profit. He sold the other article at Rs.385 and got 23% loss. what is his overall gain or loss percent (correct to the nearest integer)?

A, B and C can individually complete a task in 24 days,16 days and 32 days respectively. If A and C start the work and worked for 6 days and left, then the number of days required by B to complete the remaining task, is :

A and B can do a piece of work in 6 days and 8 days, respectively. With the help of C, they completed the work in 3 days and earned Rs. 1848. What was the share of C ?

A person borrows Rs 4000 from a bank at 7 ½% per annum compound interest, compounded annually. At the end of every year, he pays Rs 1500 as part of the repayment of loan & interest. How much does he still owe to the bank after 3 such installments?