If w is 10 percent less than x, and y is 30 percent less than z, then wy is what percent less than xz?

Akash bought two varieties of rice, costing Tk. 50/kg each, and Tk. 60/kg each, and mixed them in some ratio....

A company generated revenue of Tk. 125,000 in 2012 which was 12.5% of its gross revenue. In 2013, the gross re...

In a class, 120 students are male and 100 students are female. 25% of the male students and 20% of the female...

P starts jogging from point X to point Y. 30 minutes later his friend R who jogs 1 km/hour slower than twice P...

A total of Tk. 1200 is deposited in two savings accounts for one year, one portion at 5% simple interest, and...

The combined salary of X , Y and Z is Tk. 90,000. X earns twice of what z earns, and Y earns 1.5 times of what...