A two years older than B who is twice as old as C.If the total of the ages of A,B and C be 27,than how old is B?
Find the circumference of a circle whose diameter is 16cm. Use 3.14 for π
If the width of a rectangle is increased by 25% and length is decreased by 25%, the resulting area is what percent of the original data.
A bag contains 6 black and 8 white . One ball is drawn at random. What is the probability that the ball drawn is white ?
৪ ÷ ২ + ২ × ১.৫-০.৫ + ০.২৫ = ?