Question

Friends can you please help me to solve this problem​

Answer 1

Answer:

suppose,

Step-by-step explanation:

maximum mark= no.of question × marks gain on per question =100×3=300marks . rakesh scored 190 and answered 70 questions = 70×3=210. given he scored 190 . so, marks deducted = 210-190=20. here it is given every incorrect question deduct marks by1. so questions incorrect = 20/1=20