There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

How many times can you subtract the number 5 from 25?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?

Look at me. I can bring a smile to your face, A tear to your eye, Or even a thought to your mind. But, I can't be seen. What am I?

What is always in front of you but can’t be seen?

Find the next number in the series below

21 32 54 87 131 ?

How can you take 2 from 5 and leave 4?

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

On a windy rainy night , I was driving in my car.
When i reach the bus stand , i see three people waiting for the bus.

1. An old lady who needs an immediate medical attention
2. My Best Friend
3. Girl whom i love from childhood

My car is a two seat, so can you tell me , what i have done in this situation ?