Directions: The following questions are accompanied by three statements (A) or (I), (B) or (II), and (C) or (III). You have to determine which statement(s) is/are sufficient/necessary to answer the questions.

What is the inradius of a right-angled triangle?
A. The area of the triangle is known.
B. Any two sides of the triangle are known.
C. The perimeter of the triangle is known.

A sum triple itself in 9 years at simple interest. Find the rate of interest per annum is.

The smallest five digit number which is divisible by 12, 18 and 21 is:

What is the smallest number to be added to 2203, so that we get the sum of a perfect square number?

A travels 25% faster than B. They started their journey from a point P to another point Q and reach at the same time on point Q. Distance between P and Q is 85 km. On the way, however, A lost about 20 minutes while stopping for petrol. What was the speed of B?

A started a business with a certain capital. After 3 months A left the business and B joins the business and remains in business. If the ratio of the profit at the end of the year is 5: 6 and the initial investment of A is Rs. 6000, then the investment of B is

Directions: The line graph shows the number of work visas issued by a country in each year from 2011 to 2016. Study the diagram and answer the following questions . 

Number of work visas issued were more than those issued in the previous years in how many years ? 

The ratio between the number of sides of two regular polygons is 1 : 2 and the ratio between there interior angles is 2 : 3. The number of sides of these polygons is respectively