5. The following table shows the marks scored by Anju, Neelesh and Lekhya in four unit tests of English. Name of the Student Unit Test I Unit Test II Unit Test III Unit Test IV Anju Absent 19 23 21 Neelesh 0 20 22 24 Lekhya 20 24 24 24 (i) Find the average marks obtained by Lekhya. (ii) Find the average marks secured by Anju. Will you divide the total marks by 3 or 4? Why? (iii) Neelesh has given all four tests. Find the average marks secured by him. Will you divide the total marks by 3 or 4? Why? (iv) Who performed best in the English?
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1. average marks obtained by lekhya is 20+24+24+24/4 = 23
2. average marks secured by anju 19+23+21/3 = 21
we should divide total marks by 3 as she do not attend one of unit tests
3. average marks secured by neelesh is 0+20+22+24/4 = 16.5
we should divide total marks by 4 as he attended all the 4 tests but secured 0 score in one of the tests
4. best performer is one who secured best average
among them lekhya secured best average 23
so lekhya performed best in english
2. average marks secured by anju 19+23+21/3 = 21
we should divide total marks by 3 as she do not attend one of unit tests
3. average marks secured by neelesh is 0+20+22+24/4 = 16.5
we should divide total marks by 4 as he attended all the 4 tests but secured 0 score in one of the tests
4. best performer is one who secured best average
among them lekhya secured best average 23
so lekhya performed best in english
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