Question

If the sum of quantities is 120 and their average is 15 then find number of quantities

Answer 1

Given: sum of quantities= 120

average= 15

Solution:. Since

Average= sum of quantities÷number of quantities

15 = 120 ÷ number of quantities

so, number of quantities= 120/15 = 8 Ans.

@scientificirfan

Answer 2

Sum of quantities= 120
Average=15
Average= sum of quantities/number of quantities
By putting values in the formula,
15= 120/ Number of quantities
Number of quantities= 120/15= 8
Your Answer is 8