How many times national emergency imposed in

At what time will a train reach city P from city Q?

I. The 600 meter long train crosses a signal pole in 20 seconds.

What is rate of interest percent per annum?

A. The amount becomes Rs.75,712 at compound interest after 2 years.

What is the area of the square?

I. The diagonal of the square is the 6√3m.

II. The perimeter of the square is 48m.

What was the total compound interest on a sum after three years?

What is the percentage profit earned by selling a car for Rs. 5,40,000?

I.The amount of profit earned by selling the car is Rs. 2,70,000.

What is the distance between two points A and B (in km)? Which of the following statement (s) is sufficient to give the answer:

What is the speed of man in still water?

Statement I: The speed of man in still water is twice the speed of the stream.

What is the rate of interest per annum ?

I. Difference between CI and SI for 2 years on an amount of Rs. 15,000 at the rate is Rs. 96.