Question

In a class test,four marks are awarded for every correct answers.One mark is deducted for every wrong answer and zero marks are awarded for unattempted question.Riya attempted 20 question.Out of her answers ,five were wrong.Find the marks obtained by Riya?

Answer 1

20=15+5
15×5=75
5×1=5
75-5=70
answer is 70

Answer 2

Answer:

Step-by-step explanation: