In a class test (+3) marks are given for every correct answer and (-2) marks are given for
every incorrect answer and no marks for not attempting a question. Rakesh scores 18
marks by attempting 16 questions. How many questions has he attempted correctly and
how many has he attempted incorrectly?
Answers
Answered by
2
Answer:
scored 12×3=36 marks. as 3 marks are for correct answer
final score of radhika is 20.
she got 16 marks negative. as −2 marks are for incorrect answer
therefore she made
2
16
=8 incorrect answer.
2) Mohini scored 7×3=21 marks. as 3 marks are for correct answer
final score of radhika is −5.
she got 26 marks negative. as −2 marks are for incorrect answer
therefore she made
2
26
=13 incorrect answer.
Answered by
1
Answer:
He attempt 10 correct answer and 6 incorrect answer
Step-by-step explanation:
10×3 = 30 and 6×(-2) = -12
then 30 - 12 = 18
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