What is common among 11, 69, and 88?

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!!!

Identify the 10 differences between the two given pictures.

What Does this text mean:

important=important

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

With the help clues provided in the image, can you find the 5 digit key?

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

Which Travels Faster? Solve below famous picture riddle:

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

Cristina was born in 1888. She just had her 30th birthday today how did that happen?