Question

Can pls tell this step by step or explain ok

Answer 1

Answer:

(a.) Mohan's marks =right answered +wrong answered =

(4×5)+(6×-2)

=20+(-12)

=8 marks

(b.) Reshma's marks =right answered +wrongre answered =

(5×5)+(5×-2)

=25+(-10)

=15 marks

(c.)Heena's marks =right answered +wrong answered =

(2×5)+(5×-2)

=10+(-10)

=0 marks

Reshma got the highest marks that is 15 marks.

Answer 2

Step-by-step explanation:

unitary method use kijiye agar hume 1 correct question ke 5 marks milte hai to 4 question ke liye hum 5 multiply 4 karenge aise hi incorrect ke bhi find karenge aur total Marks karenge main 8 class me hu mere syllabus me ye question 7 th mein aaya tha