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# The result of tossing a fair dice 120 times is summarized above…

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Number | 1 | 2 | 3 | 4 | 5 | 6 |

Frequency | 12 | 20 | x | 21 | x – 1 | 28 |

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

**A.**** ****20**

**B.**** ****22**

**C.**** ****21**

**D.**** ****19**

**QUICK ANSWER…**

**A**

**DETAILS…**

**We you can safely deduct from the question is that total frequency = 120, hence:**

**12 + 20 + x + 21 + x – 1 + 28 = 120**

**80 + 2x = 120**

**2x = 120 – 80**

**2x = 40**

**x = 40/2 = 20**

**Now for the right answer to the above question:**

**Option A is correct.****Option B is incorrect.****C is incorrect.****D is not the correct answer.**

**KEY-POINTS…**

**You may please note these/this:**

**Only the frequency is used here because that is only what we need to do our calculation.****The number of times the dice was tossed is referred to as the frequency.****If you love our answers, you can login to comment and say hi to us at the comment section…**

**To raise new related question****s, c****lick the ASK A QUESTION BOTTON down this page…**

**/ culled from 2020 JAMB-UTME mathematics past question 36 /**

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