GMAT · Quantitative Reasoning

Ratios and proportions

15 practice questions, each with the answer and an explanation.

Practise Ratios and proportions now

Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 15 questions

Boys and girls in a club are in the ratio $5 : 3$ . If the club has $72$ members, how many are girls?
Boys and girls in a club are in the ratio $5 : 6$ . If the club has $44$ members, how many are girls?
Boys and girls in a club are in the ratio $5 : 7$ . If the club has $96$ members, how many are girls?
Boys and girls in a club are in the ratio $2 : 3$ . If the club has $25$ members, how many are girls?
Boys and girls in a club are in the ratio $6 : 5$ . If the club has $88$ members, how many are girls?
Boys and girls in a club are in the ratio $2 : 4$ . If the club has $48$ members, how many are girls?
Boys and girls in a club are in the ratio $5 : 4$ . If the club has $27$ members, how many are girls?
Boys and girls in a club are in the ratio $4 : 8$ . If the club has $72$ members, how many are girls?
Boys and girls in a club are in the ratio $3 : 7$ . If the club has $50$ members, how many are girls?
Boys and girls in a club are in the ratio $2 : 4$ . If the club has $24$ members, how many are girls?
Boys and girls in a club are in the ratio $6 : 4$ . If the club has $70$ members, how many are girls?
Boys and girls in a club are in the ratio $5 : 4$ . If the club has $45$ members, how many are girls?
Printers P and Q working together print a job in $12$ hours. Printers Q and R together take $15$ hours, and P and R together take $20$ hours. How many hours would all three printers take working toget…
A vessel contains a mixture of milk and water in the ratio $5 : 3$ . When $16$ liters of the mixture are drawn out and replaced with water, the vessel contains equal amounts of milk and water. How many l…
On a map, an area of $3$ cm $^{2}$ represents an actual area of $0.75$ km $^{2}$ . What actual distance, in km, is represented by a length of $5$ cm on the map?

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