For the following questions answer them individually
The difference in simple interest and compound interest on a certain sum of money in 2 years at 390 per annum is 90 paisa. What is the sum?
If interest is being compounded half yearly, then what sum will amount to Rs. 51840 in 2 years at the rate of 40 percent per annum on compound interest?
A product, whose marked price is Rs. 840, is sold for Rs. 798 by a wholesale shop. What is the percentage discount given by him?
The length of a cuboid is six times of its breadth and the height of cuboid is four times of its breadth. If the breadth of the cuboid is 3 cm, then what is the total surface area of cuboid?
The speed of a boat in still water is 17 km/hr and the speed of a stream is 11 km/hr. Find the difference between the upstream speed and the downstream speed of the boat.
The ratio of radii of a cylinder to a cone is 3 : 1. If their heights are equal. What is the ratio of their volumes?
Rohit buys an old bat for Rs. 880 and spends Rs. 120 on its repairing. If he sells it for Rs. 800, then what is the loss percentage?
The average of numbers A and B is 16. The average of numbers B and C is 40. What is the difference between C and A?
The value of $$\left[ \frac{1}{4}\ of \ 18 \div \frac{6}{5} + \left(\frac{1}{8} + \frac{7}{4}\right)\right] \times \frac{1}{15}$$ is:
