find value of x (i) 18:x::40:20
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Answered by
2
Step-by-step explanation:
18:x::40:20
18/x=40/20
40x=18×20
x=18×20/40
x=18/2
x=9
Answered by
2
Answer:
Q. 18 : x :: 40 : 20
=> pro. of ext. = pro of mean
=> 18 × 20 = x × 40
=> x = 360/40
= 9 Ans...
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