If 32 is removed from the data: 20, 25, 28, 32, 38, 45, 48, 52, then the median s increaser by?

Two equal circles of radius 4 cm intersect each other such that each passes through the center of the other. The length of the common chord is

Manju's salary is 60% more than Sohan's then tell what % Sohan's salary is less than Manju's salary?

If a merchant offers a discount of 40% on the marked price of his goods and thus ends up selling at cost price, what was the % mark up? (Answer in Percent)

The area  of a circle is 616 sq cm, find its circumference?

Directions: The bar graph, given here, shows the number of tickets sold by 6 students A, B, C, D, E and F during a fair. 

Which student sold the least tickets?

The ratio of the sides of a triangle is 3: 4: a and the area of this triangle is 216 square cm. And the perimeter of this triangle is 72 cm. Then the value of a will be -

One filling pipe P is three times faster than another filling pipe Q, if P can fill tank in 24 hours, then what is the time taken to completely fill the tank if both the pipes are opened together?