People put me on the table and cut me but do not eat me. What am I?

Our product and our sum always give the same answer. Who are we?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

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

Dwayne Johnson was running away with the loot from a heist in his car along with Vin Diesel. One tire was punctured and he dropped down to replace it. While changing the wheel, he dropped the four nuts that were holding the wheel and they fell into a drain. Vin Diesel gave him an idea using which they were able to drive till the rendezvous point.

What was the idea ?

Decode below three cipher riddles:

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

A new clothing store has a unique method of pricing items. A vest costs $20, a tie costs $15, a blouse costs $30, and underwear costs $45. How much would pants cost?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

On a magical land of Mexico , all the animal in the land are rational.

There are 10 tigers and one goat.
Tiger can eat goat but since it's a magical land , the tiger who eats the goat , turns into goat and then can be eaten by the remaining tiger(s).

If we leave them for some time then how many goat and tiger will be there , when we come back ?

In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.