The sum of three consecutive natural numbers each divisible by 5, is 225. The largest among them is

What is the ratio between language disorder and the average of the remaining disorder cases.

 Find the ratio between articulatory disorder and speech disorder cases.

What is the average number of cases in different types of special children during the year 1994-96.

Find the approximate percentage distribution of children with auditory disorder.

The difference between the simple interest and compound interest (compounded annually) on Rs. 40,000 for 3 years at 8% per annum is