How many times do a clock's hands overlap in a day ?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

What can you see in the middle of March and April that you can never see in any other month?

Find the missing number in the sequence below:

If,

6 / 7 = 2
3 / 9 = 7
8 / 2 = 6

Then

4 / 5 = ?

John is selling fruits.
He sells grapes at $30, Dates $25, and a Wolfberry $45.
At what price does he sell fig?

PS: Logical Thinking

I am quite hot but become too cold if you remove the first two letters. What am I?

Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair

Can you decipher the below rebus?

PBLUESAISNUERSES

What occurs twice in a week, once in a year but never in a day?