A scored 73, 76, 20, and 7 runs in four out of five innings. What should be his score in the fifth innings, if he has to make an average of 55 runs in five innings?
5 innings total runs$$=55×5=275.$$
runs scored by first 4 innings is
$$=73+76+20+7=176.$$
so, runs scored by 5th innings is
$$=275-176=99.$$
A is correct choice.
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