If Rajina's daughter is my daughter's mom, who am I to Rajina?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

what does this picture(rebus) riddle means ?

Can you count the number of triangles in the picture below?

what's the probability of getting a king or a queen from a pack of 52 cards?

Decode below rebus
D
N
A
T
S , D

John and his team plan to rob a safe. They got just one chance to break the code else the local police will be informed. Below are clues:
A) Exactly one number is perfectly placed: 9 8 1
B) Everything is incorrect: 9 2 4
C) Two numbers are part of the code of the safe but are wrongly placed: 0 9 3
D) One number is part of the code of the safe but is wrongly placed: 1 4 7
E) One number is part of the code of the safe but is wrongly placed: 7 8 3