What word does this rebus represent?

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what does the below math rebus puzzle mean?

There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

Through your logical capabilities, can you make 7 an even?

What does an Island and the letter T have in common?

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

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?