Solve the picture riddle by replacing the question mark with correct number ?

What does this rebus puzzle means ?

What does the below picture rebus Problem means ?

what does this rebus identifies ?

Can you solve the below riddle by solving maths equation in the picture ?

Can you solve the picture puzzle by replacing the question mark with the correct number ?

What does this Rebus Image Riddle Says ?

Give it food and it will live
Give it water and it will die

In which direction should the missing arrow point ?

Ankit Garg was found dead in his bedroom by her maid shweta.

shweta tell the story to detecive "sherlock holmes" : Just after completing the work I noticed his study light was on and I decided to look in from the outside to see if he was in there. There was frost all over the window, so I had to wipe it away to see inside. that is when I saw his body. So I kicked in the front door to confirm my suspicions of foul play. I called the police immediately afterward.'

With clue from sherlock holmes immediately knows that killer was the Gardner.