Question

1
cm breadth.
2) In a class test containing 10 questions, 5 marks are awarded for every correct answer and
(-2) marks are awarded for every incorrect answer and 0 for questions not attempted. Mohan
gets four correct and six incorrect answer. What is his score?
3) Find the perimeter of a rectangle having 4 cm length and 3
4) Tom worked for hours while jerry worked for hours. Who worked more and by how
much?
2
7.
12​

Answer 1

Answer:

Correct ques=1 mark

incorrect ques=-2

questions correct=4

questions incorrect=6

So, 4 x (1) + 6 x (-2) <<-- this is because -2 marks are for incorrect and 6 questions are incorrect

4+(-12)

4-12

=-8

mohan got -8 marks

Step-by-step explanation:

Answer 2

Answer:

2 ans : Mohan 4 correct and 6 incorrect so total score 5×4−2×6 i.e 8marks

3 ans : Perimeter =2(l+b)

=2 × (4 + 3)

= 2 × 7

= 14 cm

Hope it helps you ..!!