Can you find out the total number of triangles in the given figure?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

In the Thar desert, 3 men found a big 24L Jar is full of water. Since there is a shortage of water so they decided to distribute the water among themselves such that they all have equal amounts of it. But they only have a 13L, a 5L and an 11-litre Jar.

How do they do it?

Can you solve below mathematical equation?

2^1234 - 2^1233

You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?

What does below Rebus mean ?

esgg sgeg gegs gsge

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair