There are forty elephants and they have forty-fore heads. How can this be possible?

I am something people love or hate. I change peoples appearances and thoughts. If a person takes care of them self I will go up even higher. To some people I will fool them. To others I am a mystery. Some people might want to try and hide me but I will show. No matter how hard people try I will Never go down. What am I?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

During which month do people sleep the least?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?

What do you think with the below Picture ?

A man dies of old age on his 25 birthday. How is this possible?

Find the number of squares in the below-given picture.