For the following questions answer them individually
The capacity of a cylindrical tank is 6,160 $$m^{3}$$. Its base diameter is 28 m. The depth of this tank is:
(Take $$\pi = \frac{22}{7}$$)
Find the volume of a cone whose radius is 7 inches and height is 27 inches.
(Use $$\pi = \frac{22}{7}$$)
A bought a number of mangoes at 2 for ₹5 and an equal number at 3 for ₹5. To make a profit of 20% she should sell a dozen for:
The compound interest on a principal in 3 years is 33.1% of the principal if the interest is compounded annually. Find the rate of interest per annum :
The ratio of the third proportional of P and Q and the fourth proportional of P, Q and R is 5 : 6, then Q : R is:
By selling a refrigerator for Rs.28,448, a shopkeeper makes a profit of 12%. If the profit is reduced to 8%, what is the new selling price of the refrigerator?
Height of a plant increases at the rate of 2% per annum. If its present height is 1.2 m, then what wil be the height of plant after three years ?
Two trains start at the same time from Mumbai and Delhi, and proceed towards each other at the speeds of 15 km/h and 26 km/h respectively. When they meet, it is found that one train has travelled 99 km more than the other. The distance between the two stations is:
Find the square of Z. Z is the remainder when the smallest 4-digit number exactly divisible by 24 and 36 is divided by 40.