If the circle with center O has area , what is the area of equilateral triangle ABC?

If the average of seven consecutive integers is k+2, then the product of the greatest and least integers is___...

The sumof the pre-tax costs of items A ans item B is Tk. 300. In dhaka, each item would be charged a flat 7% t...

If a, b,c and d are different integers between -6 and 10 inclusive, what is the least possible value of the pr...

A business has 1000 kg of rice, part of which he sells at 8% profi and rest at 18% profit. He gains 14% on the...

In a certain sock drawer, there are 4 pairs black socks, 3 pairs of back socks, 3 pairs of gray of gray socks...

In a class, average mark in an exam is 70. The average of student of student who scored below 6o is 50. The av...