For the following questions answer them individually
A chair is sold for ₹720 after giving a discount of 10% on its marked price. The cost price of the chair is ₹640. If it is sold at the marked price, then the profit percentage will be:
A solid metallic rec1angular block of dimensions 112 cm $$\times$$ + 44 $$\times$$ cm 25 cm is melted and recast ino a cylinder of radius 35 cm. The curved surface area (in $$cm^{2}$$) of the cylinder is: (Take $$\pi= \frac{22}{7}$$)
By selling 36 m of jute. a shopkeeper gains an amount equal to the selling price of 12 m of jute. Find the gain percentage.
Divide ₹2,760 in two parts such that when these are invested for 2 and 4 years. respectively, at the rate of 5 % per annum simple interest, the amounts received are equal. What is the second part (in₹) invested?
A 72 5 m long train passes a tunnel 235 m long in 48 seconds. Find the speed of the train.
A batsman scored 124 runs. which included 6 boundaries and 10 sixes. What percentage of his total score did he make by running between die wickets?