What is the purpose of the OSI (Open Systems

How many people are travelling in the Metro?

Statement I: There are 35% men and 40% children passengers.

Train A crosses  another train B running  in  the opposite direction in 180 seconds. What is the speed of the train A?

What is the principal amount?

What is the speed of a boat in still water?

I. The boat covers a distance of 120km in 5 hours while running upstream.

What is the time taken by the boat to travel 48 km in still water?

In each of the following questions, read the given statement and compare the Quantity I and Quantity II on its basis.  

What is the area of a circular field?

I. The area of the largest square that can be inscribed in the given circular field is 450 cm².

Amar, Akbar and Anthony invested Rs 120000 in a business in ratio 5:3:2 respectively. What is the profit % earned by them after a year?

What was the price of House P last year?

I. The ratio of the price of two houses P to Q was 3:4 last year.