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

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

What word begins and ends with an E, but has only one letter?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

You are presented with three boxes. One of them has a red ball inside and the other two have a black ball inside each of them. You are asked to pick up the one with red ball and you pick one. Now, one of the other boxes is opened and it is found to have a black ball.

You are presented with a chance to change your box with the one that is left closed. Will you change your box? Why or why not?

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

Rumel, A detective who was mere days from cracking an international smuggling ring has suddenly gone missing. While inspecting his last-known location, you find a note:

710 57735 34 5508 51 7718

Currently, there are 3 suspects: Bill, John, and Todd. Can you break the detective's code and find the criminal's name?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

I look at you, you look at me, I raise my right, you raise your left. What am I?