In a class of 50 students 10 students failed

Asked by admin @ 13/08/2021 in Math viewed by 317 People

In a class of 50 students, 10 have failed and their average of marks is 2.5. The total marks secured by the entire class were 281. Find the average marks of those who have passed?

Answered by admin @ 13/08/2021

avaveragmarks of those who failed is 2.5 so the total marks they scored is 2.5×10=25 total Marks of everyone is 281 and total marks of those who have failed is 25 so 281 -25 = 256

hope this helps

In a class of 35 students 17 have taken mathematics

Asked by admin @ 24/08/2021 in Math viewed by 284 persons

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Asked by admin @ 16/08/2021 in Math viewed by 299 persons

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Asked by admin @ 03/08/2021 in Math viewed by 307 persons

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Asked by admin @ 24/08/2021 in Math viewed by 292 persons

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Asked by admin @ 06/08/2021 in Math viewed by 342 persons

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State snell's law of refraction of light class 10

Asked by admin @ 17/08/2021 in Physics viewed by 441 persons

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