Question

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.

Answer 1

Runs scored in First match = 180
Runs scored in Second match = 257

Total runs scored in all three matches = $\mathrm{Average}\times \mathrm{Number}\mathrm{of}\mathrm{matches}$
= $230\times 3$
= 690

Runs scored in Third match = 690 − (180 + 257)
= 690 − 437
= 253

Hence, runs he should score in the third match is 253.