In a class of 50 students 10 students failed

Asked by admin @ 13/08/2021 in Math viewed by 312 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 277 persons

In a class of 35 students, 17 have taken Mathematics, 10 have taken Mathematics but not Economics. The number of students who have taken both Mathematics and Economics are____ and …

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Asked by admin @ 16/08/2021 in Math viewed by 292 persons

There are 50 students admitted to a nursery class. Some students can speak only English and somecan speak only Hindi. Ten students can speak bothEnglish and Hindi. If …

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Asked by admin @ 10/08/2021 in Math viewed by 260 persons

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Asked by admin @ 03/08/2021 in Math viewed by 298 persons

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Asked by admin @ 24/08/2021 in Math viewed by 287 persons

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Asked by admin @ 13/08/2021 in Chemistry viewed by 446 persons

Write 50 balanced chemical equations

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Asked by admin @ 29/10/2021 in English viewed by 328 persons

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Asked by admin @ 06/08/2021 in Math viewed by 334 persons

From 50 students taking examination in mathematics, physics and chemistry , 37 passed maths ,24 physics and 43 chemistry .Atmost 19 passed maths and physics ,atmost 29 passed maths and …

State snell's law of refraction of light class 10

Asked by admin @ 17/08/2021 in Physics viewed by 432 persons

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