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Question
A girl got 375 marks out of 500 in the first term examination, 560 marks out of 800 in the second term examination, and 840 marks out of 1200 in the third term examination. Find:
(i) her percentage score in the first term examination.
(ii) her percentage score in the second term examination.
(iii) her percentage score in the third term examination.
(iv) the total marks secured in all the three examinations.
(v) the total marks scored in all the three examinations.
(vi) her percentage score on the whole in all three examinations.
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Solution
(i) `375/500xx100=75%`
(ii) `560/800xx100=70%`
(iii) `840/1200xx100=70%`
(iv) Total of maximum marks
= 500 + 800 + 1200
= 2500
(v) Total marks obtained in all the three term
= 375 + 560 + 840
= 1775
(vi) `1775/2500xx100=71%`
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