Two numbers are respectively 20% and 50% more than a third  number. The ratio of the first two numbers is

A 3 : 4

B 4 : 5

C 2 : 3

D 4 : 7

Solution

Correct Answer: Option B

মনেকরি, ৩য় সংখ্যা = 100
∴ ১ম সংখ্যা = 120
   ২য় সংখ্যা = 150 
∴ ১ম সংখ্যা: ২য় সংখ্যা = 120 : 150 = 4 :5

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