Count the number of lines in the image below ?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

I have Rs.50 and I spend it in the way as below.

Which is faster, Heat or Cold ? Explain.

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

Two friends were betting. One said to the other, "The coin will be flipped twenty times and each time the coin lands on the head, I will give you $2 and each time it lands on the tale, you will give me $3." After flipping the coin twenty times not a single penny was exchanged among them.

How many times did the coin land on heads?

In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

Can you replace the question mark with the correct number?