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The average marks of 65 students in a class was calculated as 150. It was later realised that the marks of one of the students was calculated as...
Solution
Total sum of the marks of all the students in a class is = 150 × 65 = 9750Difference between the correct score...
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Keynote
Difference between the correct score and wrong score is = 152 − 142 = 10Correct average marks of the group is=...
Study the following information to answer the given questions: A word and number arrangement machine when given an input line of words and numbers rearranges them following a particular rule. The following is an illustration of input and rearrangement. Input: 24 method 87 67 of data 34 collection 45 12 specified now Step I: 12 method 87 67 of data 34 collection 45 specified now 24 Step II:…
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