14 days
15 days
16 2/3 days
13 1/3 days
X and Y can do a piece of work in 20 days and 12 days respectively. X started the work alone and then after 4 days Y joined him till the completion of the work. How long did the work last?
X and Y enter into a partnership for a year. X invests Rs. 6000, and Y invests Rs. 8000. After 4 months, they admit Z, who invests Rs. 9000. If Y withdraws his contribution after 6 months, how would they share a profit of Rs 1000 at the end of the year?
X and Y invested in a business. They earned some profit which they divided in the ratio of 2 : 3. If X invested Rs. 40,000, the amount invested by Y is
X can do a piece of work in 40 days. He works at it for 8 days and then Y finished it in 16 days. How long will they together take to complete the work?
x does 1/4 of a job in 6 days. y completes rest of the job in 12 days. Then x and y could complete the job together in = ?
X takes 4 days to complete one-third of a job. Y takes 3 days to complete one-sixth of the job and Z takes 5 days to complete half the job. If all of them work together for 3 days and X and Z quit, how long will it take for Y to complete the remaining work done.
X, Y and Z complete a work in 6 days. X or Y alone can do the same work in 16 days. In how many days Z alone can finish the same work ?
x% of y is y% of ?
Xs age 3 years ago was three times the present age of Y. At present Zs age is twice the age of Y. Also Z is 12 years younger than X. What is the present age of Z ?
You deposit $600 into a 6 month certificate of deposit. After 6 months the balance is $618. Find the simple annual interest rate
