How can one talk without saying a single word?

What can you hold in your right hand, but never in your left hand?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

A man is found dead in his bathroom naked with blood scattered all around him. The bathroom was locked from the inside and there is no trace of any struggle. There is nothing in the bathroom except his pant with the belt still around and his shirt. Also, the medic team can't find any incision in his body that may have been the reason behind so much blood loss.

The Police department is clueless regarding this murder mystery.
Can you?

I can be cracked, made, told, and played. What am I?

how come the second man dies?

What is more useful when it is broken?

The following four words might seem abrupt to you. But you can make them meaningful by just adding vowels.
RDSH
GGPLNT
TMT
NN

Hint: All of them are vegetables.