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Question

Arun scored 36 marks in English, 44 marks in Hindi, 75 marks mathematics and x marks in science. If his average marks is 50, find the value of x.


A

60

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B

35

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C

52

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D

45

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Solution

The correct option is D

45


There are 4 subjects, hence, n=4

Average = 50, total marks = 50 × 4 = 200

36+44+75+x = 200

155+x = 200

x=45

Arun secured 45 marks in science.


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