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a student gets 1 marks for each question the answers
correctly in an examination. he also loses 1/4 mark for
each wrongly answered question.if he attempts 40 question
and gets 30 marks,the number of question correctly answered
by him is
between 100 and 300 how many numbers begin or end with 2?
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Answer Posted / vinay
1) number of question correctly answered by him - 32
2) between 100 and 300 how many numbers begin or end with 2 - 110
100-199 - 10 numbers end with 2
200-300 - 100 numbers start with 2
| Is This Answer Correct ? | 9 Yes | 1 No |
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