aise krna
Find the average of the first 9 counting numbers (1, 2, 3, 4, 5, 6, 7, 8, 9).
3. The number of students in 6 sections of Class 5 in Vidya School are 43, 46, 40, 43,
44, 42. Find the average number of students per class.
4. The average daily expense of the Vaidya family is 1454.
How much do they spend in
a week?
Answers
1. To find average we do in this process :
= 1+2+3+4+5+6+7+8+9/9
= 45/9
= 5 is the average of the first nine counting numbers
2. To find average we do in this process :
= 43+46+40+43+44+42/6
= 258/6
= 43 is the average of the six sections
3. To find the spend the vaidya family spend money in 1 week we use this process :
= In a week there are 7 days.
= so 1454×7
= 10,178 money they spend in a week
Here is your answer
Given : first 9 counting numbers (1, 2, 3, 4, 5, 6, 7, 8, 9).
The number of students in 6 sections of Class 5 in Vidya School are 43, 46, 40, 43, 44, 42.
The average daily expense of the Vaidya family is 1454.
To Find : average of the first 9 counting numbers
the average number of students per class.
How much do they spend in a week?
Solution:
first 9 counting numbers (1, 2, 3, 4, 5, 6, 7, 8, 9).
Average = Sum of 9 numbers / 9
= (1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9)/9
= 45/9
= 5
Hence the average of the first 9 counting numbers is 5
The number of students in 6 sections of Class 5 in Vidya School are
43, 46, 40, 43, 44, 42.
Total Students = 43 + 46 + 40 + 43 + 44 + 42 = 258
Total sections = 6
average number of students per section = 258/6 = 43
he average daily expense of the Vaidya family is 1454.
There are 7 days in a week
Hence Spend in a week = 7 * average Daily spend
= 7 * 1454
= 10178
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