30% of 50 is what fraction of 75% of 80?

A 1/2

B 1/4

C 1/5

D 1/7

Solution

Correct Answer: Option B

নির্নেয় ভগ্নাংশ = (৫০ এর ৩০%)/(৮০ এর ৭৫%)
             ={৫০×(৩০/১০০)}/{৮০×(৭৫/১০০)}
             =(৫০×৩০)/(৮০×৭৫)
             =১/৪

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