The result of tossing a fair die 120 times is summarized above. Find the value of x

Assessment: JAMB UTME - Mathematics - 2003 Subject: General Mathematics

Question 1 Report

The result of tossing a fair die 120 times is summarized above. Find the value of x

Answer Details
12 + 20 + x + 21 + x-1 +28 = 120
2x + 80 = 120
2x = 120 - 80
2x = 40
x = 20

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