Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

What happened when the wheel was invented?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

What can you deduce from the following BrainBat?

CRY
LMKI

Prove that the below maths equation is true.

8 + 8 = 91

There's a day, that comes around once a year.
To celebrate the man, you hold dear.
He gave you life, love and will pick you up if you fall.
When it comes to guys like him, He's the best of all.
Who is he?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

A bank customer had $100 in his account. He then made 6 withdrawals. He kept a record of these withdrawals, and the balance remaining in the account, as follows:

Withdrawals Balance left
$50 $50
$25 $25
$10 $15
$8 $7
$5 $2
$2 $0
----- -----
$100 $99

Why are the Totals not tallying?

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

Can you find the number?