Rahul divides some money among his three sons A, B and C. The ratio of amount received by A and C together to the amount received by B is 5:2. C received 150% of the amount received by A. If the amount received by C is Rs. 1500. Find the sum of amount received by A and B together.

A boat covers 48 km. upstream and 72 km. downstream in 12 hours, while it covers 72 km. upstream and 48 km. downstream is 13 hours. The speed of stream is -

If apples are bought at the rate of 30 for a rupee. How many apples must be sold for a rupee to gain 20%?   

The following pie chart gives the measures of the central angles of the sectors that reflect the number of beds in each of 7 different hospitals with respect to the total number of beds in these 7 hospitals taken together.
 
 

If the number of beds in H7 are 39, then what is the total number of beds in all the 7 hospitals taken together?

What number must be subtracted from each of the numbers 55, 23, 43 and 19, so that the new values are in proportion? 

Mr. Dev sold a bus for Rs. 2210 with a loss of 15 %. At what price should the bus be sold to get a profit ot 15 %?

Among three numbers, the first is twice the second and thrice the third. If the average of the three numbers is 49.5, then the difference between the first and the third number is: 

What will come in place of the question mark (?) in each of the following series?

15     ?    24    33     97    122