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Study the following table and answer the question: Percentage of marks obtained by six students A, B, C, D, E and F in five subjects. Students Subject English (out of 50) Math (out of 150) Science (out of 80) Hindi (out of 75) Social Studies (out of 100) A 70 90 65 64 88 B 84 92 75 68 49 C 66 80 85 80 84 D 62 74 75 88 60 E 54 64 55 72 85 F 72 84 65 60 65 The total marks obtained by students C, D and F in Science is what percent more than the total marks obtained by B in Science, Hindi and Social Studies?

Study the following table and answer the question: Percentage of marks obtained by six students A, B, C, D, E and F in five subjects. Students Subject English (out of 50) Math (out of 150) Science (out of 80) Hindi (out of 75) Social Studies (out of 100) A 70 90 65 64 88 B 84 92 75 68 49 C 66 80 85 80 84 D 62 74 75 88 60 E 54 64 55 72 85 F 72 84 65 60 65 The total marks obtained by students C, D and F in Science is what percent more than the total marks obtained by B in Science, Hindi and Social Studies? Correct Answer 12.5

Calculation:

Marks obtained by C in science = 85% × 80 = 68

Marks obtained by D in science = 75% × 80 = 60

Marks obtained by F in science = 65% × 80 = 52

Total marks obtained by C,D & F in science = 68 + 60 +52 = 180

Marks obtained by B in science = 75% × 80 = 60

Marks obtained by B in Hindi = 68% × 75 = 51

Marks obtained by B in Social studies = 49% × 100 = 49

Total marks obtained by B in Science, Hindi & Social Studies = 60 + 51 + 49 = 160

So,

The total marks obtained by students C, D, and F in Science is more than the total marks obtained by B in Science, Hindi and Social Studies by 

⇒ {(180 -160) /160} × 100%

⇒ 12.5%

∴ The total marks obtained by students C, D and F in Science is more than the total marks obtained by B in Science, Hindi, and Social Studies by 12.5%.

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