Question

in an exam 6 marks are awarded for every correct ans and 2 marks deducted for every wrong question arun attempted and scored 70 marks he answered 7 questions incorrect find the total no. of questions​

Answer 1

Answer:

incorrect question =7

total no of marks if incorrect marks are included =70+7*2

=84

total no of question =84/7

=12

Answer 2

Answer:

21 questions

Step-by-step explanation:

7 questions are incorrect

2 marks deduction for incorrect answer

so, 7 × -2 = -14

correct answers awarded is 11 questions

6 × 11 = 66

70-66=4

to balance in correct answers 12÷2 = 6

14 - 12= 2

4 + 2 = 6

here also another correct answer

∴ 7 + 11 + 2 + 1 =21