Tricky que of mathematical operation

Two physical quantities P and Q have different dimensions. Which of the following mathematical operation is/are possible?

Basic Concepts Of Mathematical Operation (गणितीय संचालन की मूल अवधारणाएँ)|Types Of Questions (प्रश्नों के प्रकार)|OMR

Different mathematical operations are given in the two rows below. Find out the number you get in each operation and make equations. 37-27,

Different mathematical operations are given in the two rows below. Find out the number you get in each operation and make equations. 5xx2

Different mathematical operations are given in the two rows below. Find out the number you get in each operation and make equations. 8xx3,

Different mathematical operations are given in the two rows below. Find out the number you get in each operation and make equations. 16-:2,

Different mathematical operations are given in the two rows below. Find out the number you get in each operation and make equations. 9+4

Different mathematical operations are given in the two rows below. Find out the number you get in each operation and make equations. 72-:3,

Different mathematical operations are given in the two rows below. Find out the number you get in each operation and make equations. 4+5

Different mathematical operations are given in the two rows below. Find out the number you get in each operation and make equations. 19-10,