Math, asked by neeleshkirarji2724, 1 year ago

A boy gets 70% of the total marks . He appeared for 4 subjects . If the marks in all subjects are 100 and he gets 81,66 and 68 in three subjects ,how much soes he score in the forth subject

Answers

Answered by sreekanthedpl
0
Total Marks scored in % = 70%

Total Number of subjects =4

Maximum mark in each subject = 100

Grand total mark of 4 subjects = 4x100 =400

He scored 70 % of 400

That is 400x(70/100) = 280

His marks in 3 subjects = 81+66+68 = 215

Therefore mark scored in the 4th subject = 280 - 215 = 65
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