Amir and Hannan working together can finish a work in 3 hours. If they work alone, Hannan takes 3 times as long as Amir. How long does Hannan take to finish the job alone?

Find the remainder when is divided by 8.

Which of the following is the largest?

A rectangular tank with dimensions 80 cm X 60 cm X 15 cm can be filled with tap A at the rate of 680 cm every...

A9 cm X 8 cm X 15 cm block of ice is being melted to make identical ice cubes. If surface area of any two side...

If the summation of roots of two integers is . what is the summation of the squares of these two integers?

Raisa took one cup of half olive-oil and half vinegar and poured it in a jar that had equal parts of olive-oil...