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

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

What does this mathematical rebus means ?

A detective visits his friend John just to discover that John's neighbour Dr Jacob was murdered. Dr Jacob, who is a mathematician wrote the murderer's name in a code word "Hcqtfz". There were five suspects
1. Ajit
2. Pankaj
3. Ganpat
4. Deenu
5. Hariya

The Detective was instantly able to find the murderer.
Can you?

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

what one word does the below rebus identifies?

What is the next number in this matchsticks series riddle?

John was drowned by he was not wet. How?

You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?

I have eight fingers and two thumbs but I do not live. What Am I?