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XAT Ratio and Proportion — practice questions — page 4

Explore 133 free Ratio and Proportion questions in XAT Quantitative Aptitude. Open each question or exercise to read its content, reference answers and available explanation.

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Ratio and Proportion questions and exercises with answers

Showing questions 91–120 of 133.

A school has 6000 for maths books at 40 each. If the price rises to 50, the number of books falls from 150 to:Read the answer and worked solution →When book price goes from 40 to 50, the ratio 4 : 5, the number of books changes in the ratio:Read the answer and worked solution →6 pipes fill a tank in 1 hour 20 minutes. With 5 pipes the time is:Read the answer and worked solution →A hostel has food for 100 students for 20 days. If 25 more join, it lasts:Read the answer and worked solution →15 workers build a wall in 48 hours. To finish in 30 hours you need:Read the answer and worked solution →Which pair is in inverse proportion?Read the answer and worked solution →The angle turned by a clock's minute hand and the time passed are:Read the answer and worked solution →A car takes 2 hours at 60 km/h. At 80 km/h the same trip takes:Read the answer and worked solution →A box of sweets gives 24 children 5 each. With 4 fewer children, each gets:Read the answer and worked solution →Simple interest at a fixed rate and time changes in direct proportion with the:Read the answer and worked solution →Catch the direct proportionsRead the answer and worked solution →Pop the inverse pairsRead the answer and worked solution →Run the proportion numbersRead the answer and worked solution →Slice the proportion wordsRead the answer and worked solution →Direct or inverseRead the answer and worked solution →Sort the proportion cluesRead the answer and worked solution →Type the numberRead the answer and worked solution →Proportion bingoRead the answer and worked solution →Pete can paint a room in 10 hours. Working steadily, how much of the room does he paint in one hour?Read the answer and worked solution →Alicia would take 8 hours to paint the same room alone. Her share of the job in one hour is:Read the answer and worked solution →Pete needs 10 hours and Alicia 8 hours for the same room. Together their hourly share of the job is:Read the answer and worked solution →One gardener mows a golf course in 4 hours and another takes 6 hours. Together they finish in:Read the answer and worked solution →Carrie can weed the garden in 7 hours and her mother in 3 hours. Together they take:Read the answer and worked solution →Tom paints the den in 45 minutes and Bobby in 60 minutes. Together they need about:Read the answer and worked solution →A job on Press #1 takes 6 hours. In one hour that press completes:Read the answer and worked solution →With both presses running the job takes 4 hours. Press #1 alone takes 6 hours, so Press #2 alone takes:Read the answer and worked solution →Corey shovels the snow in 4 hours. With his twin Casey they finish in 2 hours, so Casey alone would take:Read the answer and worked solution →Two workers finish a job in exactly the same time each. If one alone takes 8 hours, together they take:Read the answer and worked solution →Judy pilots her powerboat 5 miles into a 7 mph wind in the time she covers 12 miles with a 7 mph tailwind. Her boat's own speed is:Read the answer and worked solution →Hamilton rides 12 miles downhill, then back uphill at 8 mph slower, taking 2 hours longer. His downhill speed is:Read the answer and worked solution →

Worked practice questions

A school has 6000 for maths books at 40 each. If the price rises to 50, the number of books falls from 150 to:

  1. 130
  2. 140
  3. 120
  4. 100
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Correct answer: C. 120

1. Price and number vary inversely. 2. 6000 divided by 50 is 120. 3. 40 times 150 equals 50 times 120. _Source: syllabus Mathematics, Chapter 13, Direct and Inverse Proportions._

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When book price goes from 40 to 50, the ratio 4 : 5, the number of books changes in the ratio:

  1. 4 : 5
  2. 1 : 1
  3. 2 : 5
  4. 5 : 4
Show answer and solution

Correct answer: D. 5 : 4

1. Inverse proportion inverts the ratio. 2. 150 to 120 is 5 to 4. 3. The two ratios are inverses. _Source: syllabus Mathematics, Chapter 13, Direct and Inverse Proportions._

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6 pipes fill a tank in 1 hour 20 minutes. With 5 pipes the time is:

  1. 96 minutes
  2. 80 minutes
  3. 100 minutes
  4. 66 minutes
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Correct answer: A. 96 minutes

1. Fewer pipes means more time. 2. 80 times 6 equals 5 times x. 3. x is 96 minutes. _Source: syllabus Mathematics, Chapter 13, Direct and Inverse Proportions._

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