Two equal circles intersect such that each pass through the center of the other. If the length of the common chord of the circle is 10√3 cm, then what is the diameter of the circle?

Two identical circles intersect each other such that each passes through the centre of the other. Length of common chord is 16√3 cm. What is the radius of each circle?

What is the value of $${tanθ−secθ+1\over tanθ+secθ-1}$$

What is the value of 4² -3² + 6² – 5² + 8² + 7² +…………….92² – 91² ?

If  $${{(17)^3-(7)^3}\over (17^2+7^2+k)}=10 $$ , then what is the value of k?

The bar graph given below shows the sales of books (in thousand number) from six branches - B1, B2, B3, B4 , B5 and B6 of a publishing company during two consecutive years 2000 and 2001.

Find the percentage (approximate) of the average sales of branches B2, B4 and B6 in the year 2001 to the average sales of branches B1, B3 and B5 in the year 2001.

The following histogram shows the height of players of a basketball team of a school.

How many players have height less than 141 cm?

If (a+b)=16 and a³+b³=1456, then what is the value of ab?