For the following questions answer them individually
A dealer professes to sell his articles at cost price but he uses a false weight of 735 grams for a kilogram. The gain percent of the dealer is: (correct to 2 decimal places)
What will be the amount on a sum of Rs.1,000 for 3 years at 10% compound interest per annum compounding annually?
Rakesh has to fill water in a cylindrical container of height 10 cm and radius 10 cm with a hemispherical bowl of radius 5 cm. How many times does he have to pour water into the cylindrical container with the hemispherical bowl to fill the tank completely with water?
A boat can travel at a speed of 10 km/h in still water. If the speed of the stream is 2 km/h, find the time taken by the boat to go 72 km downstream.
A solid metallic cylinder of base radius 3 cm and height 4 cm is melted to form cones, each of height 2 cm and radius 1 cm. The number of cones is:
Two boats A and B start moving towards each other from two places, 272 km apart. The speed of the boat A and B in still water are 32 km/h and 36 km/h, respectively. If A moves in downstream and B moves in upstream, then in how much time they will meet each other?
A shopkeeper allows a discount of 20% on an article. What will be the selling price of the article marked for ₹600?
A dishonest seller sells rice at Rs.24/kg, which he has bought at Rs.20/kg, and he gives 800 g instead of 1 kg. His actual profit percentage is: