Question

Yashi score 40 marks in a test getting 3 marks for each right answer and loss in one marks for each wrong answer had four marks been awarded for each correct answer and two marks been deducted for each in correct answer then you should have scored 50 marks how many hours per second test

Answer 1

The question is unclear, but here's the sense I took it in:

Yashi scored 40 marks in a test, when scored as: +3 for correct, -1 for incorrect answers. Had the scheme been: +4 for correct answers, -2 for incorrect answers, the score would've been 50. Determine the number of correct/incorrect/total questions.

40 = 3x - y

=> 80 = 6x - 2y

50 = 4x - 2y

Adding, we get:

130 = 8x

x = 130 / 8 = 16.25

...which is absurd, since x is the number of correct answers, and needs to be a whole number.

So. Yeah. Please correct the question.