What will you call your mother's brother's brother-in-law?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Which number should replace the question mark?

What does the below mathematical rebus mean?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

One night, a woman receives a call from the police. They tell her that her husband was murdered and that she should come to the crime scene as soon as possible. The woman drops the phone, shocked, and drives 20 minutes to the crime scene. As soon as she reaches the crime scene, the police arrest her and she is convicted of murder. How do the police know she committed the crime?

Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?

Given that

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

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?