Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

What does this rebus puzzle means ?

Count the number of triangles in the below picture?

What is always in front of you but can’t be seen?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

Find the missing number in the sequence below:

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?