Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

Can you count the number of quadrilaterals in the picture below?

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

Find the next number in the series.
1 10 24 43 67 ?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

Count the number of lines in the image below ?

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

How can you tell a raw egg from a hard-boiled egg?

A Miser man decided to go on a vacation for a month. He goes to the bank and asks for a trip loan of $500. The bank officer asks the man that the loan can only be approved when he mortgage some valuable thing at the bank. Miser man mortgages his only car whose worth was a whopping $80000. The Bank officer laughed at him and approve the loan instantly. After vacation when the miser man returns, the bank officer asked him "Are you an idiot, why is your mortgage such an expensive car for such a short loan?".

Miser man replied with some reason and the bank officer agreed that the miser man is actually not an idiot.

What did miser man reply to the bank loan officer?.

Can you spot the man between the coffee bean in the picture below ?