For the following questions answer them individually
The radius of a circle is increased by 35 percent. What will be the percentage increase in its area?
The marked price of a crockery was Rs 15400/- and was offering a discount of 12%. Harsh bargained with the shopkeeper to get a successive discount and brought the crockery for Rs 10164/- What was the second discount offered by the shopkeeper?
If Manish can complete 3/5 of a work in 48 days, then Manish will complete 1/5 of the same work in how many days?
40 percent of the cost price of an article is equal to the 30 percent of its selling price. What is the profit percentage?
One third part of a certain journey is covered at the speed of 24 km/hr, one fourth part at the speed of 36 km/hr and the rest part at the speed of 60 km/hr. What will be the average speed for the whole journey?
M is two times as efficient as N. M can complete a work in 66 days less than N. If both of them work together, then in how many days will the same work be completed?
The compound interest (compounding annually) on a sum of money for the first year is Rs. 600, and for the second year, it is Rs. 660. Fiud the rate of interest per annum.