This post is for to know more about the average short tricks or short tricks to find the average.
Average = Equal Distribution
Total Sum = Average × Number
Logic For average short tricks
- Error based Questions
TYPE – 1 (INCLUDE)
Ques 1 : Average of a Class of 35 Students is 14 year. if the age of teacher is included new average become 15 year. Find the age of the teacher.
Total = Average × Number
35 × 14
∴ Teacher included
36 × 15
Teacher Age = 540 – 490
= 50 Year
Ques 2 : Average age of 24 Students in a class is 23 Year 6 Month. if the age of teacher is included new average become 23 year 8 month. Find the age of the teacher.
Ques 3 : The Pocket money of 36 students was 580 rupees. if 5 new students are include new average become 600 rupees.find the average pocket money of the 5 new students.
Ques 4 : Average age of 36 Students in a class is 20 Year. if one new student include new average become 19 year. Find the age of new student.
Ques 5 : Average age of 60 students are 21 year 6 months. if 12 new students are include then new average become 21 year. Find the average of new 12 students.
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