RITU SCORED 12 MARKS IN A TEST, IF 3 MARKS ARE ALLOTED FOR EACH CORRECT AND 2 MARKS ARE DEDUCTED FOR EACH INCORRECT AND SHE HAS ATTEMPTED 6 CORRECT ANSWERS, HOW MANY ANSWERS WERE WRONG?
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0
Answer:
3 answer were wrong and 2 answer correct
Answered by
0
Answer:
Total number of marks scored for answering correctly = 6×3 = 18
Let the number of answer solved incorrectly = x
So, marks deduced = 2x
Now, given
18- 2x = 12
6 = 2x
x = 3
So, the number of questions which were wrong are 3.
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