An empty fuel tank of a car was filled with A type petrol. When the tank was half-empty, it was filled with B type petro…

Gauri went to the stationers and bought things worth Rs. 25, out of which 30 paise went on sales tax on taxable purchase…

The ratio of the number of boys and girls in school at 8 : 12. If 50% of boys and 25% of girls are getting scholarship f…

What percent of 88 is 33 ?

Peter could save 10% of his income. But two years later when his income is increased by 20%, he could save the same amou…

In an election between two candidates, 75% of the voters cast their votes, out of which 2% votes were declared invalid. …

In the Science City, Kolkata the rate of the ticket is increased by 50% to increased the revenue but simultaneously 20% …

The value of a machine depreciates at the rate of 12 percent per annum. It was purchased three years ago. Its present va…