Math, asked by arpanaial06, 5 months ago

47. 12 : 30 :: 20 : ?
A. 25
B. 35
C. 42
D. 40

Answers

Answered by yatharthvira

2

Answer:

50

Step-by-step explanation:

$12:30::20:x \\ = \frac{12}{30} :: \frac{20}{x} \\ = 12 \times x ::20 \times 30 \\ = 12x ::600 \\ = x:: \frac{600}{12} = 50$

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