During which month do people sleep the least?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

What do you answer even though it never asks you questions?

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.

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

We can be boring,Or interesting.
We can be long,Or short.
We can have pictures,Or just words.
Many love us,But many also hate us.
What are we?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

O_er_t_o_

Complete the missing letters of the given word.