Quantitative Aptitude - Arithmetic Ability Questions

Pipes A and B can fill a cistern in 15 hours together. But ifthese pipes operate separately A takes 40 hours less than Bto fill the tank. In how many hours the pipe A will fill thecistern working alone?

Choose the odd one out from among the given figures.

445 of 229.79 = ? of 2398.51

A can finish a work in 18 days and B in 36 days. If they work on it together for 9 days, then what percent of work is left?

When a discount of 20% is given on an African safari ticket, the profit is 43%. If the discount is 28%, then the profit is

Oil equal to 20% of the weight of ground nut is extracted in a mill. The matter left after extraction is sold as cattle feed at the rate of Rs 12.5/kg. The groundnuts are bought at Rs 20/kg. The processing cost is Rs 5/kg. At what price (Rs per kg) should the oil be sold to earn 20% profit on total costs (Total cost = Cost of groundnuts and Processing costs)?

Which measurement unit represents volume?

A merchant buys 25 litres of milk daily at the rate of Rs.12 per litre. He mixes 5 litres of water in it and sells at the rate Rs.10.40 per litre. His gain/loss is: