Math, asked by mukesh188, 1 year ago

mean of five numbers is 20 and mean of other 5 number is 30 find the mean of all the 10 numbers taken together

Answers

Answered by vikashRaojaat
27
hey mate
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here is ur answer
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mean = 20+30/2
50/2 = 25

mukesh188: kesai ayya
mukesh188: why divide by 2
vikashRaojaat: first 5 no ka mean 20
vikashRaojaat: and second 5 no mean 30
vikashRaojaat: 30+20 = 50
vikashRaojaat: mean = total no / sum of number
mukesh188: ok I understand
vikashRaojaat: hmm
Answered by lathamalathy
58

Mean of 5 nos =20
Total sum =5×20=100

Mean of other 5 nos=30
Total sum=5×30=150

Sum of both=100+150=250
Average=250/10=25

Hope it helps you
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