What is wrong in the below Picture?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

No one wants to have it, but if one got it, he does not want to lose it. What is It?

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

If eleven plus two equals one, what does nine plus five equal?

Can you identify the hidden rebus in the image below?

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

A sundial has the fewest moving parts of any timepiece. Which has the most?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

What does man love more than life, hate more than death or mortal strife; That which contented men desire; the poor have, the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?