If p and q are positive integers and the difference between pq and ap is three times the sum of p and q then how many pairs of p and q are possible?

Fedora Technologies acquired 60 hard-drives and tried selling them at BDT 2400 apiece at 20 percent markup on...

Mr. Farhan and Mr. Rafiq start walking in the park along a circular track from opposite directions at 6.30 am,...

Terra Data asked a team of workers to finish a project. After 16 days, 25% workers left. Remaining workers too...

If the distribution of movie durations is symmetric around the mean of 1.5 hours following a bell curve and if...

Amir and Hannan working together can finish a work in 3 hours. If they work alone, Hannan takes 3 times as lon...

Find the remainder when is divided by 8.