In a concert, Christina is performing a dance show with her group.
At 10:00, she and her crew were dancing in an absolutely straight line. At that time Christina was standing in 4th position from both the front and back end of the row.

What was the size of her crew?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

Its something that each of us devours,
Not just us but birds, beats, trees, and flowers,
Frets iron and nibbles steel,
Toil hard stones to meal,
Exterminates king, collapse town,
And blows the mountains down.

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

I taste better than I can smell. Who am I?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

John needs to purchase 100 chocolates from three different shops and he has exactly 100 rupees to do that which he must spend entirely. He must buy at least 1 Chocolate from each shop.

The first shop is selling each chocolate at 5 paise, the second is selling at 1 rupee and the third is selling at 5 rupees.

How many chocolates should he buy from each shop?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?