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Q.

In a Cricket match, 5 batsmen A, B, C, D and E scored an average of 36 runs. If D scored 5 more than E, E scored 8 fewer than A; B scored as many as D and E combined; and B and C scored 107 between them, then  [[1]] runs did E score.


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Detailed Solution

Concept-  E scores 20 runs.
First, we will calculate the sum of the runs scored by A, B, C, D and E from the formula of mean or average which is
Question ImageAlso, let us assume the runs scored by A to be Question Image. Then, we will calculate the individual runs scored by the other four players in terms of Question Image based on the conditions mentioned in theQuestion statement. Then, we will form a linear equation of single variableQuestion Imageby equation the summation of the individual runs scored by each player and the summation of their runs calculated from the formula of mean. Solving this equation for Question Image, we will obtain our desired answer.
Given, 5 batsmen A, B, C, D and E scored an average of 36 runs, i.e.,
Question ImageNow, since assumed, that A scored Question Imageruns, given in theQuestion is that, E scored 8 fewer than A, i.e., Question ImageD scored 5 more than E, i.e., Question Image.
B scored as many as D and E combined, i.e.,
Question ImageAnd B and C scored 107 between them. Let us assume C scored “c” runs, Therefore,
Question ImageTherefore, summation of the runs scored by all 5 batsmen are
Question ImageHence, the correct answer is 20.
 
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