Question

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86. A teacher scores each student's final
marks according to the Weightage
Assignment 20% and Tests 80%. A
student has scored 80 marks for his
Assignment. His final marks were 72.
What marks did he get for his Tests ?​

Answer 1

He got 72 marks for test .

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Answer 2

Explanation:

For assignment marks = 80

But assignment weight age = 20%

Total marks scored = 72

Let test marks be x

But test weight age = 80%

Then,

(20/100)*80 + (80/100)*x = 72

80/5 + 4x/5 = 72

16 + 4x/5 = 72

4x/5 = 72-16

4x = 56*5

x = 14*5 = 70

Marks in test = 7