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

Can you find out the remainder when 3^300 is divided by 5?

I have branches, but no fruit, trunk or leaves. What am I?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

What four weights can be used to balance from 1 to 30 pounds?

Can you count the number of triangles in the given picture?