For the following questions answer them individually
The radius of a right circular cylinder is 7 cm. Its height is thrice its radius. What is the curved surface area of the cylinder?
What is the value of $$\frac{(55 + 88) \div [(3 \times 5 + 4) - 64 \div 8]}{28 \times 7 \div 56 \times 4 of (91 - 78)}$$?
If at compound interest a certain sum becomes 2 times of itself in 5 years, then in how many years it will become 8 times of itself?
The time in which a train 1800 m long, travelling at the speed of 30 kmph, will pass a signal pole is:
Marks scored by Reena are plotted on the graph. Calculate how much more marks she scored in science, than hindi?
If Ashish can complete 2/3rd the work in 22 days. In how many days will he complete the whole work?
Shopkeeper gave 30% discount on the article having marked price Rs.3500. What will be the selling price of the article?