Q9 of 25 Page 79

A Cricket player scored 180 runs in the first match and 257 runs in the second match. Find the number of runs he should score in the third match so that the average of runs in the three matches be 230.

let the runs required in third match be

So according to given conditions


Multiplying both side by


257 + 180 + x = 690


Subtracting from both sides


257 + x = 510


Subtracting 257 from both sides


x = 253


Therefore 253 runs are required.


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