A discount of   $$ 2{1\over 2}\% $$ is given to the customer on the marked price of an article. A man bought the article for Rs.39. The marked price of the article is:

In what time will the simple interest be 2/5 of the principal at 8 percent per annum? 

If a sailer sails 12 km distance within 5 hours against the flow of a river. If he sails 22 km distance in same time along the flow of the river. Then velocity of the river is _______

Runs scored by Rohit sharma in some 3 test Matches against Pakastian are as follows 101, 126, 32, 38, 52, and 40. Find median of the given scores.

A, B and C enter into a partnership. A invests Rs. 8000 for the whole year, B puts in Rs. 12000 at the first and increasing to Rs. 16000 at the end of 4 months, whilst C puts in at first Rs. 16000 but withdraw Rs. 4000 at the end of 9 months. Find the profit of A at the end of year, if the total profit is Rs. 22600.

Kirti invested a sum of money at a certain rate of simple interest per annum for 3 years in "Bachat scheme". Had she invested the same sum in "Shiksha scheme" for 3 years which has a 2% higher simple interest rate per annum, the investment would have fetched ₹540 more. How much did Kirti invest?

The ratio between the speed of a train and a car is 18:13 respectively. Also, a bus covered a distance of 480 kms in 12 hours. The speed of the bus is five-ninth the speed of train. How much distance will the car cover in 5 hours?

Sita and Gita enter into a partnership, Sita contributes 5000 while Gita contributes 4000. After 1 month, Gita withdraws $$ {1\over4}$$ part of her contribution and after 3 months from the starting , Sita puts 2000 more . When Gita withdraws her money, Rita also joins them with 7000. If at the end of 1 year, there is a profit of 1218, what will be the share of Rita in the profit?