How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

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?

Can you replace the question mark with the correct letter?

6 + 6 + 6 = N
7 + 7 + 7 = E
8 + 8 + 8 = R
0 + 0 + 0 = ?

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

The answer I give is yes, but what I mean is no. What was the question?

Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.

1 dollar = 100 cent
= 10 cent x 10 cent
= 1/10 dollar x 1/10 dollar
= 1/100 dollar
= 1 cent

=> 1 dollar = 1 cent

solve this tricky problem?

What is the fastest way to double your money?

By using 'because' continuously three times, can you make an English statement ?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?