Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
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In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

10+10 and 11+11 can give you the same answer.

Explain how?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

There is a hypothetical state between the USA and Mexico border 'Tango'.
Here 70 percent of the population have defective eyesight, 75 percent are hard of hearing, 80 percent have Nose trouble and 85 percent suffer from allergies, what percentage (at a minimum) suffer from all four ailments?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

What is the next number in this series?

4,12,84,3612....

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

Find the missing number in the sequence below:

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?