Question

Question no. 40 pls reply fast ...

Answer 1

To understand the logic b/w two numbers we consider y = 10
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y = 10 , how ? you may be doubtful but to clear your doubt you have to think .

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we have,
20
15
y
5
we seethe order , 20-5 = 15 ; 15-5 = 10 ; so we go with y = 10

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so total = 60
4+x+20+15+10+5 = 60
54 + x = 60
x = +6

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Your welcome , IAM waiting my answer to lift as brainliest .