If w= 4x, 12y=8x , 6y=2z and 9v=6z then what is the value of 'w' in terms of 'V'?

In a school 80% students passed in Bangla and 65% passed in Science . If 50% of the students have passed both...

In a class , the ratio of the number of boys to girls is 5 : 3 . What percent of the students of the class are...

A jar contains 10 red marbles and 30 green marbles . How many red marbles must be added to the jar so that 60%...

Karim drove for h hours at a constant rate of r miles per hour . How many miles did he go during the final 20...

What is the are a of a square (in sq. meter) if its perimeter is 40 meter ?

1 + 2 + 3 + .................. + 100 = ?