What do you answer even though it never asks you questions?

What does this rebus puzzle means ?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

How do you go from 98 to 720 using just one letter?

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

What does the below image rebus riddle means ?

Can you tell a 3D object that has just two surfaces?

A tourist visits a small town for his research. While in the town, he decides to get a haircut. Since the town is quite small, there are only two barbers in the town � one on the North Street and one on the South Street. The barbershop on the North Street is a mess and the barber has a weird and pathetic haircut. While the barbershop at the South Street is pretty tidy and the barber as well has an impressive haircut.

Which barbershop will the tourist visit for his haircut and why?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

You have two bottles of pills marked with labels A and B. The pills are identical. The doctor has asked you to take one A pill and one B pill daily. You cant take more or less than that.

While taking out the pills one day, you took out one pill from A and by mistake took out two from B. You have no idea which pill is which now.

You cant throw away the expensive pills. What will you do now?