For the following questions answer them individually
Height of a right circular cylinder is 12 cm. If the radius of its base is 21 cm, then what will be the curved surface area of the cylinder?
What is the value of $$24 - [48 \div \left\{48 \times (48 \div (24 \times 24))\right\}]$$?
If $$\frac{X}{3} = \frac{Y}{5} = \frac{Z}{9}$$, then what is the ratio of $$X : Y : Z$$ ?
Pipe X can fill a tank in 12 hours and pipe Y can fill the same tank in 36 hours. In how many hours both pipe X and pipe Y together can fill one-third part of the tank?
Average marks of 15 students of class first is 160. Average marks of 10 students of class second is 120. Average marks of 15 students of class third is 180. What will be the average marks of students of all the classes together?
A person purchases 36 articles for ₹360. How many articles must he sold for ₹360, so that the profit is 50%?
A, B and C invest ₹14000, ₹18000 and ₹24000 respectively to start a business. If the profit at the end of the year is ₹25480, then what is total share of A and B?
The table given below shows the production of rice and the area under rice cultivation of a country for 5 consecutive years Y1, Y2, Y3, Y4 and Y5.
What is the percentage change in the yield per square meter of Y5 as compared to Y1?
The table given below shows the production of rice and the area under rice cultivation of a country for 5 consecutive years Y1, Y2, Y3, Y4 and Y5.
What is the per year average production of rice?