Comparing Quantities Using Ratio
Comparing Quantities Using Ratios
Quantities can be compared using ratios. the quantities can be be compared is they are of the same type and in same units. Comparison between two becomes meaningless if they are not of the same kind of they are not expressed in same units. For example it is meaningless to compare 25 pencils to 35 oranges. Also to compare Kg with grams will not give proper results. So before comparing they must be expressed in the same units.
Illustration: Robin worked for 8 hours and Rubin worked for 2 hours. How many times Robin’s working hours as compared to Rubin working hours?
Solution: Working hours of Robin = 8 hours Working hours of Rubin = 2 hours The ratio of working hours of Robin to Rubin = 8 : 2 = 4 : 1.
Therefore, Robin works four times more than Rubin works.
Monthly salary of Roma is 12500 Rs and Monthly Salary of Krishma is 25000. How many times is Krishma salary to that of Roma? | |||
| Right Option : C | |||
| View Explanation | |||
Sumit has 24 red marbles and 48 green marbles. How many times does Sumit has red marbles as compared to green marbles? | |||
| Right Option : C | |||
| View Explanation | |||
Nancy had 11 books and Lucy had 33 books. How many times Lucy had books as compared to Nancy? | |||
| Right Option : B | |||
| View Explanation | |||
Students / Parents Reviews [10]
About Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
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8thA marvelous experience with Abhyas. I am glad to share that my ward has achieved more than enough at the Ambala ABHYAS centre. Years have passed on and more and more he has gained. May the centre flourish and develop day by day by the grace of God.
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7thI have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
