A rational number between 1/2 and 3/5 is:
A sum of money invested at compound interest amounts in 3 years to 800 and in 4 years to 840 what is the percentage rate of interest?
13 chairs and 5 tables were brought for 8280. If the average cost of the table will be 1227, what is the average cost of a chair?
Perimeter of a circle is equal to the perimeter of a square whose area is 484 cm². What is the radius of the circle?
Rohan lends 1000 in four parts. If he gets 8% interest on 2000, 7 1/2% on 4000 and 8 1/2%
on 1400 what percent of interest must he get for the remainder if his average annual interest is
8.13%?
(A) 10%
Tarun travels a distance of 24km at 6 km/hr another distance of 24km at 8 km/hr and a third distance of 24 km at 12 km/hr. His average speed for the whole journey (in km/hr) is