Question

In a test (+5) marks are given for every correct answer (-2) is given for every incorrect answer, Ram answer all questions and scored 30 marks thought he got tenlt correct answers how many incorrect answer he attended​

Answer 1

10 answer were incorrect

because we know that

+5×10=50 but ram scored 30marks so,20 marks are should be subtracted from 50 so we get 30

and in the multiplication table of two we get 20 in 10 times so the answer is 10

Plz mark me as a brainlist!!!