A solid piece of metal, cuboidal in shape, with dimensions 12 cm, 9 cm and 2 cm is recast into a cube. What is the lateral surface area (in cm²) of the cube?
A person buys a table fan for 2,800 and sells it at a loss of 12%, What is the selling price of the table fan?
A,B and C can complete a work in 10,15 and 20 days respectively. They work on alternate days such that 1st day A, 2nd day B and 3rd day C, Again 4th day A, 5th day B and so on. If they work in the same way, in how many days will the wok be completed?
A grocer produced 50 kg of sugar at Rs.40 per kg and mixed with 70kg of suger at 30 per kg. At what rate should he sell the mixture (per kg) to gain 20% ?