Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

Count the number of triangles in the picture below:

I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

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

Complete the table series riddle by finding the number that can replace "??".

John leaves home and then he takes three right turns. John wants to return to home but he was scared of Jacob, who is wearing a mask.

What is John Situation ?

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?

What does below Rebus say?

XLR8

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?