Spot what is wrong here in below Picture?

What is wrong in the below Picture?

What work can one never finish?

My location can be determined by the below rebus.
So where am i ?

Count the number of squares in the picture below.

Dwayne Johnson was running away with the loot from a heist in his car along with Vin Diesel. One tire was punctured and he dropped down to replace it. While changing the wheel, he dropped the four nuts that were holding the wheel and they fell into a drain. Vin Diesel gave him an idea using which they were able to drive till the rendezvous point.

What was the idea ?

Prove that twice of ten is the same as twice of eleven.

Find the value of "?" in the ball picture Riddle below:

Can anyone tell me a word in the English dictionary which has a silent 'z'?

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?