Can you replace the question mark with the correct number?

Which alphabet is a part of our body?

In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

In an office's desk, you find a unique method that shows the current day of the month. Two numbered cubes are used to depict the current date.

Can you find out the numbers on both the cubes so that each date can be mentioned using them?

Please note that you have to use both the cubes to display any date. Thus the 1st day must be represented by 01 and so on.

What has many teeth, but cannot bite?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

What begins with T, ends with T, and has T in it?

Find the hidden panda in the image below.

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?