If 30% of a = b, then b% of 50 is the same as:

A sphere of radius 5 cm is melted to form a cone with base of same radius. The height (in cm) of the cone is

If (x+20)% of 250 is 25% more than x% of 220, then 10% of (x + 50) is what per cent less than 15% of x?

B is 10% more than A. C is 20% less than A. B is what percentage more than C?

What is the total compound interest on Rs.45000 for 3 years when the sum is divided into a ratio of 4 : 5 and rate of interest on a small sum is 10% and 20% on the large sum? (Compounded annually)

Direction: Study the given pie chart carefully and answer the following questions accordingly. Given pie chart shows the percentage of players taking part in six different games in an event.

Total number of Players = 1800

What is the total number of players taking part in Athletics, Badminton and Tennis?

If 7A = 5B = 2C; find A : B : C.

In △ABC, right angle at B, if   $$tan\ A={1\over 2}$$, then the value of $$sinA(cosC+cosA)\over cosC(sin C-sinA)$$ is :