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In an examination the average marks obtained by John in English, Maths, Hindi and Drawing were 50. His average marks in Maths, Science, Social Studies and Craft were 70. If the average marks in all seven subjects is 58, his score in maths was
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- 50
- 52
- 60
- 74
- 50
Correct Option: D
Here , The average marks obtained by John in English, Maths, Hindi and Drawing = 50.
Average marks in Maths, Science, Social Studies and Craft = 70
The average marks in all seven subjects = 58
According to question ,
Marks in Maths = 50 × 4 + 70 × 4 – 58 × 7
Marks in Maths = 200 + 280 – 406
Marks in Maths = 480 – 406 = 74
