Question

Ritu's average marks in English, Maths and Science is 90. Her marks in English is 80 and in Maths is 95. What is her marks in Science ?​

Answer 1

Answer:

Total Marks Obtained =540

Marks obtained in Mathematics =

360

90

×540=135

Marks obtained in Social Science =

360

65

×540=97.5

Marks obtained in Science & Technology =

360

80

×540=120

Marks obtained in Hindi =

360

70

×540=105

Marks obtained in English =

360

55

×540=82.5

The subject in which student scored 105 marks is Hindi.

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Answer 2

Answer:

95 is your answer

Explanation:

80+ 95 + x/ 3 = 90

80 + 95 + x = 90 × 3 = 270

175 + x = 270

x = 270 - 175

x (Marks in science) = 95