What is always in front of you but can’t be seen?

You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?

What does this say?

XLR8

John was born on March 5, 1970, in Delhi, India. Jacob was born 25 days before John. The year when they took birth, Republic Day fell on Monday.

Can you find out on what day was Jacob born?

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

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

Can you find out the number of the parking space in which the car is parked?

In a concert, Christina is performing a dance show with her group.
At 10:00, she and her crew were dancing in an absolutely straight line. At that time Christina was standing in 4th position from both the front and back end of the row.

What was the size of her crew?

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

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?