Good Riddles

Question: Six squares and a straight line, I can tell you anything; from what's thine to what's divine.

Question: Which thing that comes once in a year, twice in a week?

Question: Which is the missing number in the below Number Series? 2, 3, 5, 7, 11, 13, ?, 19

Question: How is 2+2 four, 3+3 eight, and 7+7 triangle?

Question: Can you find the missing number in the below series? 43, 8, 38, 9, 34, 11, _, 14