Question

Numbers 50, 42, 35, 2x+10, 2x-8, 12, 11, 8 are written in descending order and their median is 25, find x.

Answer 1

Answer:

8, 11, 12, 2x-8, 2x+10, 35, 42, 50

median=(2x-8)+(2x+10)/2

25=2x-8+2x+10/2

25=4x+2/2

50=4x+2

50-2=4x

48=4x

x=48/4

x=12

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Answer 2

Heya_❤

n=8(even)

Median = ((n/2)th obs. +(n+2/2)th obs.)/2

25 = ((8/2)th obs. + (8+2/2)th obs.)/2

25 = (4 th obs. + 5 th obs.)/2

25 = ((2x+10)+(2x-8))/2

25×2 = 4x+2

50 = 2(2x+1)

25 = 2x+1

24 = 2x

12 = x

Answer:- x=12

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