Ina class test contains 20 questions 4 marks are given for every correct answer and -2 marks are given for every incorrect answer .Rajita attempts all questions and 12 of them are correct find her total score.
Answers
Answered by
2
Answer:
12*4 = 48
20 - 12 = 8
8*2 = 16
48 - 16 = 32
Answer: 32
Step-by-step explanation:
Find the marks he got from his correct answers.
Find the marks deducted because of his incorrect answers.
Then, minus them to get final marks.
Answered by
4
20 - 12 = 8, 12×4 = 48 , 8×2= 16 and 48 - 16 = 32
Step-by-step explanation:
marks for each correct answer = 4
marks for each incorrect answer = -2
total questions = 20
questions Rajita attempts correct = 12
questions Rajita attempts incorrect = 20 - 12 = 8
marks for the correct answer = 12 × 4 = 48
marks for the incorrect answer = 8 × -2 = -16
total marks of Rajita = 48 - 16 = 32
Similar questions