Question

In
A
In a test +3 marks are given
for every correct answer and -1
mark is given for every incorrect answer Reshma at attempted all questions and scored +20 Marks though she
got 10 correct answers
1)how many incorrect question s she attempted
2)how many questions were given in a test
​

Answer 1

she answered 10questions correctly and got 30 marks

and for 10incorrect answer she got-10 marks

all together her score is +20

she attempted 10 incorrect Ans

20 questions were given in the test