The ratio of number of boys to the number of girls in a certain school club is 3:4.if there are 5more girls than boys in the club ,how many girls in the club?

A 20
B 8
C 12
D 15

Correct Answer: 20

Given, The ratio of the number of boys to the number of girls in a certain school club is 3:4. let,  number of boys 3x number of girls 4x ATQ, 4x - 3x = 5 ∴ x = 5 so, the number of girls is = 4*5 = 20 ans: 20
Bissoy MCQ
#গণিত #অনুপাত-সমানুপাত (Ratio-Proportion) #BASIC Bank Ltd #BASIC Bank Ltd - Officer - 15.05.2009

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