. In a test (the 5) marks are given for every correct answer and (-2) marks are given for every
incorrect answer.
(2) Radhika answered all the questions and scored 30 marks though she got 10 correct answers.
(12) Jay also answered all the questions and scored (- 12) marks though he got 4 correct answers.
How many incorrect answers had they attempted ?
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12
Answer:
radhika gave 10 incorrect answers and jay gave 16 incorrect answers
Step-by-step explanation:
radhika's explanation:
she gave 10 correct answers means her marks should be 50 but she only got 30 marks
it means 20 marks are less that is because of (-2) marks for incorrect one
20 / 2 = 10
therefore 10 incorrect answers by radhika.
jay's explanation:
4 correct answers means he should get 20 marks but got -12 which is 36 marks less
36/2=16
therefore 16 incorrect answers by jay.
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