Be active and find the killer in the picture Riddle below.

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

I have branches, but no fruit, trunk or leaves. What am I?

How many triangles can you count in the figure given?

A car meter reading shows 72927 miles a palindromic number.
what is the minimum number of miles you would need to travel to see another palindromic number on the car meter reading?

Count the number of balls in picture below:

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

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?

How many bananas can you eat if your stomach is empty?

Which English verb becomes past tense just by rearranging the letters?