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!!!

When 99 is considered higher than 100?

Find the missing number in the sequence below:

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

John went to buy some expensive, foreign chocolates. He only had Rs 100 with him. When he reached the shop, he got out and know that on those chocolates, there was a 15% import duty and 5% VAT.

How much worth chocolate should he buy so that he can accommodate it in Rs 100?

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

Can you write down eight eights so that they add up to one thousand?

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?