Replace the question mark with the correct number in the below-given picture?

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

Find the missing number in the image below.

Which is the rope you never skip with?

There was a greenhouse.
Inside the greenhouse, there is a white house.
Inside the white house, there is a red house.
Inside the red house, there are lots of babies.

What is It?

A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98