In what ratio must a grocer mix two varieties of tea worth Tk.60 per kg and Tk.80 per kg that by selling the mixture at Tk.68.20per kg he may gain 10%?

If x=2y =3z and xyz =36 , what is the value of z?

How many numbers from 1 to 200 inclusive are equal to the cube of an integer?

At a particular moment, if the angle between the hour hand and the minute hand of a clock is 105 degree, what...

The solid brick shown is made of small square shaped bricks of side 1. when the large brick is disassembled in...

A jar contains 4 red toothpicks , 10 blue toothpicks and 6 yellow toothpicks. If three toothpicks are removed...

A survey of City A found an average of 3.2 people per household and an average of 1.2 DVD players per househol...