A dozen pairs of socks quoted at Rs. 180 are available at discount of 20%. How many pairs of socks can be bought for Rs.…

Two numbers are in the ratio 2 : 3. If 20% of the smaller number added to 20, is equal to the sum of 10% of the larger n…

Aman's expense is 30% more than Vimal's and Vimal's expense is 10% less than Raman's. If the sum of their expenses is Rs…

Two numbers A and B are such that the sum of 5% of A and 4% of B is two-third of the sum of 6% of A and 8% of B. Find th…

A number x is mistakenly divided by 10 instead of being multiplied by 10. what is the percentage error in the result?

In an examination there were 640 boys and 360 girls, 60% of boys and 80% of were successful. The percentage of failure w…

The population of a variety of tiny bush in an experimental field increased by 10% in the first year, increased by 8% in…

In 2000, the market shares of the toilet soaps Margo, Palmolive and dove were 40%, 30% and 30% respectively. Starting fr…