Question

Reasoning missing number question....
Q- 4,3 and 7 have a triangular relation which get 42 as outcome and similarly 6,3 and 8 have same format relation with each other which get 91 as outcome so find the outcome if 5,3 and 9 have the same order relation with each other? find missing number.

Answer 1

$$7^2-(4^2+3^2)=49-(16+9)=49-25=24$$

If we rearrange the digits we obtain $42.$

$$8^2-(6^2+3^2)=64-(36+9)=64-45=19$$

If we rearrange the digits we obtain $91.$

$$9^2-(5^2+3^2)=81-(25+9)=81-34=47$$

If we rearrange the digits we obtain $74.$

The missing number is $74.$