Question
In an examination having total 300 questions, in the
first section having 180 questions. A student got 75% marks in first section, but he got 80% marks in the second section. Find the total percentage of marks in the examination.Solution
Total number of questions 300, in first section there are 180. So, in second section will be 120 questions. First section                 Second section 180                              120 180×75/100                  120×80/100 135                              96 Total got marks =135+96=231 Percentage of got marks = (231/300) ×100 =77%
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