Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

Ten coins have been arranged as you can see in the given picture. In this arrangement, a triangle is formed pointing upwards. You have to invert the position of the triangle and make it point downwards while changing the position of 3 coins only. Can you do it?

When can we add 2 to 11 and get 1 as the correct answer?

Can you place six matchsticks in a manner that each of the matchsticks is in touch with the other five matchsticks?

what's the probability of getting a king or a queen from a pack of 52 cards?

One day, John and his friends were playing around. Jacob hit something with a Pin and it popped. John's dad came into the room that very moment, but he wasn't mad. In fact, he was smiling. What did Jacob hit?

We have arranged an array of numbers below. What you have to do is use any kind of mathematical symbol you know excluding any symbol that contains a number like cube root. You can use any amount of symbols but you have to come up with a valid equation for all of them.

0 0 0 = 6
1 1 1 = 6
2 + 2 + 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?