What is the below Rebus indicate?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

Can you find out the remainder when 3^300 is divided by 5?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

On a bright sunny day, two fathers took their son fishing in the lake. Each man and son were able to catch one fish. When they returned to their camp, there were only three fishes in the basket. What happened?

PS: None of the fish were eaten, lost, or thrown back.

There are three boxes which are labeled as Rs100, Rs150, and Rs200. One box contains two notes of Rs. 50. The second box contains one note of Rs50 and one note of Rs100 The third box contains two Rs. 100 notes. All boxes are labeled incorrectly.

What is the minimum number of boxes you must check in order to label all boxes correctly?

A bomb exploded in a room full of married couples and no one died. How?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

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?

What question can you never answer yes to?