The following bar graph represents the percentage marks obtained in grade 9, 10, 11 and 12 students in Economics, English and History. Study the given bar graph carefully and answer the question that follows.
If the full marks in Economics is 100, English is 80 and History is 50, then find the total marks obtained by grade 10 students.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 190.
According to the given bar graph,
Marks obtained by grade 10 students in Economics = 90% of 100
⇒ 90
Marks obtained by grade 10 students in English = 75% of 80
⇒ 60
Marks obtained by grade 10 students in History = 80% of 50
⇒ 40
Total marks obtained by grade 10 students = 90 + 60 + 40
⇒ 190