In a competitive examination, a candidate gets 5 marks for every correct
answer and loses 1 mark for every wrong answer. If a candidate attempts 50
questions and secures 130 marks, what is the number of questions he answered
correctly?
a) 30
b) 28
c) 32
d) 35
tell with reason
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Answer:
(a) 30
Step-by-step explanation:
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