IBM
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Numerical Ability
Averages
A class took an exam and each scored either 80 or 100 marks. If 10 students gave the exam and 100 was the max score one could get, then find out how many got 100 marks if the average of the class was 94.
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- Ans: 7
80*3+100*7=940,( bec's avg of 10 stu is 94 ) - 11 years agoHelpfull: Yes(6) No(0)
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