what does this picture(rebus) riddle means ?

What does this mean?

CCCCCCC

Can you name four days which start with the letter 'T'?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

A cricket has 6 legs, a squirrel has 4 legs and a spider has 8 legs.

In a local zoo, it was found that the total number of legs is 612. Also, there are equal number of each of the above animals/insects.

Can you find out how many animals are there in the zoo?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Can you fill the blank with the correct number?

6 30 870 756030 _____

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

John and his wife were living in a rural place. On a particular day, John's wife fell ill and he called the local doctor. When the doctor picked up, he said, "Doctor, my wife is ill. She might have appendicitis."

"This can't be possible! I took out her appendix two years ago myself," the doctor explained.

When diagnosed, John's wife was found to have appendicitis. How can this be possible?