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The average marks in english subject of a class of 24 students is 56. If the marks of three students were misread as 44, 45 and 61 of actual marks 48, 59 and 67 respectively, then what would be correct average ?

A

57

B

58

C

59.5

D

58.5

Text Solution

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The correct Answer is:
C
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ARIHANT SSC-FUNCTIONS AND GRAPH-EXERCISE(LEVEL 1)
  1. x"@"y=(x+y)^(2) x#y=(x-y)^(2) Find the value of (9#7)"@"(21#5):

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  2. x"@"y=(x+y)^(2) x#y=(x-y)^(2) (2" @ "2)+(3#3)-(4"@"4)+(5#5) is equ...

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  3. The average marks in english subject of a class of 24 students is 56. ...

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  4. The sum of four consecutive even number is 60. What is the sum of the ...

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  5. a and b are any number and x and y are any non negative integers. f(...

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  6. If [x] is the greatest integer less than or equal to x, what is the va...

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  7. a and b are any number and x and y are any non negative integers. f(...

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  8. x#y={{:(x+2y,if,|x+y|" is even"),(2x" @2 "y,if,|x+y|" is odd"):} x"@...

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  9. x#y={{:(x+2y,if,|x+y|" is even"),(2x" @2 "y,if,|x+y|" is odd"):} x"@...

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  10. x#y={{:(x+2y,if,|x+y|" is even"),(2x" @2 "y,if,|x+y|" is odd"):} x"@...

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  11. a#b=a^(2)+b-1 a$b=a^(2)+b^(2)+1 "Max (a,b)"=|a+b| "Min (a, b)"=|...

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  12. a#b=a^(2)+b-1 a$b=a^(2)+b^(2)+1 "Max (a,b)"=|a+b| "Min (a, b)"=|...

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  13. a#b=a^(2)+b-1 a$b=a^(2)+b^(2)+1 "Max (a,b)"=|a+b| "Min (a, b)"=|...

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  14. If aDeltab=a^(b)+ab+(a)/(b), then (9Delta3) is equal to :

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  15. a**b#c=(ab)^(c): a#b**c=a^(b).c, then find the value of 3#4**5+3**4#...

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  16. a#b=(-1)^(ab)(a^(b)+b^(a)) f(x)=x^(2)-2x if x ge 0 =0if x lt0 g(...

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  17. a#b=(-1)^(ab)(a^(b)+b^(a)) f(x)=x^(2)-2x if x ge 0 =0if x lt0 g(...

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  18. a o+ b=(a+b)^(2)-ab a**b=(ab)^(2)-ab a"@"b=(a-b)^(2)-ab Find the...

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  19. a o+ b=(a+b)^(2)-ab a**b=(ab)^(2)-ab a"@"b=(a-b)^(2)-ab Find the...

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  20. If mltn then mDn=mCn else mDn=nCm If m=n then mEn=mn else mEn=mCn wh...

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