An interval of 3 hours 40 minutes is incorrectly recorded as 3 hours 45.5 minutes. Calculate the percentage error in the estimation.

In September, the incomes of Kamal, Amal and Vimal are in the ratio 8 : 6 : 5. They rent a house tog...

A company purchased 60 computers and 20 printers to modernize its billing operations. The price of ...

When 125 is subtracted from a number, the result equals 37.5% of the original number. Find 25% of t...

After two successive increments, Gopal's salary became 187.5% of his initial salary. If the percent...

A fruit seller has a stock of mangoes, bananas and apples with at least one fruit of each type. At t...

A container has 40 liters of milk. Then, 4 liters are removed from the container and replaced with ...