The ratio of boys and girls in a class in 1 :2 and the classroom has 24 students .How man y boys would have to be admitted to make ratio of boys to girls 1:1?

A 6
B 8
C 10
D 12

Correct Answer: 8

Let, boys = P       Girls = 2P              P+2P= 24              P = 8             boys = 8,  girls = 16Assume, X boys have to be admitted                 8+x16 = 11                X = 8 (Ans)   
Bissoy MCQ
#গণিত #অনুপাত-সমানুপাত (Ratio-Proportion) #Mutual Trust Bank Ltd #Mutual Trust Bank ltd - Probationary Officer - 2012

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পিতা ও পুত্রের বয়সের অনুপাত ১১ঃ ৪ । পুত্রের বয়স ১৬ বছর হলে পিতার বয়স কত?
A ৪৪ বছর
B ৪২ বছর
C ৫২ বছর
D ৫৪ বছর
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