Question

In class test of a school 20 questions were given. For each correct answer 5 marks is awarded and for each wrong answer ( -2 ) is awarded :

(I) A student answered all the questions. But her 10 answers were correct . How much marks did she score?

(ii) Other student could answer only 5 answers correctly. What was the score by the student?​

Answer 1

Answer:

(i) 30

(ii) 25

Step-by-step explanation:

hope it help

Answer 2

Answer:

1. 10 questions were correct and the Mark's awarded for each correct question = 5

Mark's awarded = 50

No. of questions wrong = 20-10 = 10

Negative Mark's for each question = -2

Total Mark's deducted = -20

Total makes a student scored = 50 - 20 = 30 Mark's

2. 5 questions were correct and the Mark's awarded for each correct question = 5

Mark's awarded = 25

No. of questions wrong = 20-5 = 15

Negative Mark's for each question = -2

Total Mark's deducted = -30

Total makes a student scored = 25 - 30 = -5 Mark's