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The difference between the two digits of a two-digit number is 5. What is the number?

The ratio between the present ages of the Manan and Naman is 1 : 3. Find the present age of the Naman.

What is the circumference of semi-circle (in cm)?

I. Area of the semi-circle is half of the area of a parallelogram.

A man invested a sum of Rs 25,000. He invested some part at 5 % p.a. and remaining at 5.5% p.a. How much money did he invest at 5 % p.a.?

How long did it take Narayan to drive to his home?

Statement I : If he had driven twice as fast she would have taken 30 minutes.

How many students passed in first class?

I. 75% of the students who appeared in the examination have passed in first or second or third class.

What is the speed of boat in still water?

Statement I: The boat can cover 24 km downstream distance in 4 hours.

How many people are there in a Bus?

Statement I: There are 225 females in the Bus.

What will be the percentage increase in the volume?

Statement I : A cube of ice is dip into 20 litre water

What is the speed of the boat in still water?

Statement I. The boat travels at the speed of 12 km/h upstream.