Given that 24 carat gold is pure gold, 18 carat gold is 3/4 of pure gold and 20 carat gold is ⅚ of pure gold, the ratio of the pure gold in 18 carat gold to the pure gold in 20 carat gold is

1. Given that 24 carat gold is pure gold, 18 carat gold is 3/4 of pure gold and 20 carat gold is ⅚ of pure gold, the ratio of the pure gold in 18 carat gold to the pure gold in 20 carat gold is

[Officer (Cash) Freedom Fighter 2019[MCQ] : 2019]

1. 5:8

2. 10:9

3. ৪:5

4. 9:10

Answer

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