List of top Quantitative Aptitude Questions on Percentages asked in TANCET

A vendor bought 6 toffees for a rupee. How many for a rupee must he sell to gain 20%?

A trader mixes 26 kg of rice at Rs.20 per kg with 30 kg of rice of other variety at Rs.36 per kg and sells the mixture at Rs.30 per kg. His profit percent is

Tarun got 30% concession on the labelled price of an article and sold it for Rs.8,750 with 25% profit on the price he bought. What was the labelled price?

If each edge of a cube is increased by 50%, find the percentage increase in its surface area.