This quiz works best with JavaScript enabled. Home > Unit V Mathematical Reasoning And Aptitude > Ratio And Proportion – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ratio And Proportion Quiz 19 (10 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A tree stands 30 ft. tall and casts a shadow 14 ft. A man near the tree stands 6 ft. tall. How many feet long is the man's shadow? A) 25 feet. B) 2.8 feet. C) 14 feet. D) 9.1 feet. Show Answer Correct Answer: B) 2.8 feet. 2. Two numbers are in the ratio 7:11. If 7 is added to each of the numbers, the ratio becomes 2:3. Find the numbers. A) 47 and 75. B) 48 and 76. C) 49 and 77. D) 50 and 78. Show Answer Correct Answer: C) 49 and 77. 3. A man is riding a bike with front and back wheel circumference of 40 inches and 70inches respectively. If the man rides the bike on a straight road without slippage, how many inches will the man have travelled when the front wheel has made 15revolutions more than the back wheel? A) 1100. B) 1400. C) 1120. D) 1300. Show Answer Correct Answer: B) 1400. 4. Find the fourth proportional to the numbers:8, 36, 6 A) 17. B) 28. C) 27. D) 19. Show Answer Correct Answer: C) 27. 5. A photographer can take 12 pictures in 5 minutes. How long will it take him to take 132 pictures? A) 55 minutes. B) 50 minutes. C) 40 minutes. D) 35 minutes. Show Answer Correct Answer: A) 55 minutes. 6. What is the value of n in $\frac{2}{5}=\frac{n}{25}$ A) 8. B) 10. C) 12. D) 20. Show Answer Correct Answer: B) 10. 7. What least number must be subtracted from each of the numbers 7, 17 and 47 so that the remainders are in continued proportion? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 8. Jose swims 3 laps in a pool every 2 minutes. How long would it take him to swim 27 laps? A) 8 minutes. B) 9 minutes. C) 16 minutes. D) 18 minutes. Show Answer Correct Answer: D) 18 minutes. 9. To disinfect 1 quart of stream water to make it drinkable, you need to add 2 tablets of iodine. How many tablets do you need to disinfect 4 quarts? A) 4 tablets. B) 5 tablets. C) 6 tablets. D) 8 tablets. Show Answer Correct Answer: D) 8 tablets. 10. A jar full of whisky contains 40% of alcohol. A part of this whisky is replaced by another containing 19 % alcohol and now the percentage of alcohol found to be 26%. The quantity of whisky replaced is: A) $\frac{1}{3}$. B) $\frac{2}{3}$. C) $\frac{2}{5}$. D) $\frac{3}{5}$. Show Answer Correct Answer: B) $\frac{2}{3}$. ← PreviousNext →Related QuizzesRatio And Proportion Quiz 1Ratio And Proportion Quiz 2Ratio And Proportion Quiz 3Ratio And Proportion Quiz 4Ratio And Proportion Quiz 5Ratio And Proportion Quiz 6Ratio And Proportion Quiz 7Ratio And Proportion Quiz 8Ratio And Proportion Quiz 9Ratio And Proportion Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books