What does this below rebus puzzle mean?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

What number do you get when you multiply all of the numbers on a telephone's number pad?

What does the below image rebus riddle means ?

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

There is a barrel with no lid and some wine in it. 'This barrel of wine is more than half full,' said Curly. 'No it's not,' says Mo. 'It's less than half full.' Without any measuring implements and without removing any wine from the barrel, how can they easily determine who is correct?

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

Can you find a number that lies one third of the distance between 1/3 and 2/3?

Which tank will fill first?

What is the riddle which can be asked all day with a different correct answer each time.