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Numerical Ability
Averages
A batsman makes a score of 87 runs in the 17th inning and thus increases his average by 3 . Find his average after 17th inning.
A) 39 B) 38 C) 38.5 D) 39.5
Read Solution (Total 3)
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- consider the avg for first 16 match as x
then sum of first 16 match is 16x
sum upto 17 match is (16x+87)/17=x+3
solve for x,,,then 39 is the avg.... - 11 years agoHelpfull: Yes(9) No(0)
- 39
(87-16*3) - 11 years agoHelpfull: Yes(3) No(1)
- Let the average after 17th inning = x
Then, average after 16th inning = (x - 3)
16 (x - 3) + 87 = 17x
x = (87 - 48) = 39 - 8 years agoHelpfull: Yes(0) No(0)
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