Can you replace the question mark with the correct number in the below table sequence?

What does below chemistry rebus means?

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

They are three errirs in this question. Can you find them?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

I have some blue and red sock in my drawer. I have a total of 4 socks. I pick 2 socks and the chance that I get a pair of red socks is 1/2.

What is the chance of picking a pair of blue socks?

A devotee visits 9 temples when he visits India. All these nine temples have one thing in common - there are 100 steps in every temple. The devotee puts the Re.1 coin after climbing up every step. He does the same while climbing down every step. At each temple, the devotee offers half of his money from his pocket to god. In this way, his pocket becomes empty after he visits the 9th temple.

Can you calculate the total amount he had initially?

At a party, there are five people and a whole round cake lying at the centre of the table. Only four people will make a cut and take their piece and the last one will get the remaining piece on the table. How can they make sure that everyone gets a 1/5th of the piece?

What is so fragile that saying its name breaks it?

Can you find the 09 errors in the picture below?