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Posted Date: 26 Sep 2009 Posted By: Rajeev Member Level: Diamond
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2007 CBSE School Level Courses Bachelor of General Law Ratio and Proportion Question paper
In many situations in our daily life, we compare quantities of same type by taking
the difference between them.
For example: If the age of Prateek and Sobhani are 20 years and 8 years
respectively, then we can say that Prateek is 20 – 8 = 12 years older than Sobhani or
Sobhani is 12 years younger than Prateek.
? In many situations, a more meaningful comparison between quantities is made by
using division i.e., by observing how many times one quantity is in relation to the
other quantity. This comparison is known as ratio. We denote it by using the
symbol ‘:’.
For example: In the above example, the ratio of Prateek’s age and Sobhani’s age is
20 years 20 5
5:2
8 years 8 2
3
? A ratio may be treated as a fraction. For example, 3:11 can be treated as .
11
? We can compare two quantities in terms of ratio, if these quantities are in the same
unit. If they are not, then they should be expressed in the same unit before the ratio
is taken.
For example: If we want to compare 70 paise and Rs 3 in terms of ratio, then we
have to convert Rs 3 into paise.
Rs 3 = 300 paise
In many situations in our daily life, we compare quantities of same type by taking
the difference between them.
For example: If the age of Prateek and Sobhani are 20 years and 8 years
respectively, then we can say that Prateek is 20 – 8 = 12 years older than Sobhani or
Sobhani is 12 years younger than Prateek.
? In many situations, a more meaningful comparison between quantities is made by
using division i.e., by observing how many times one quantity is in relation to the
other quantity. This comparison is known as ratio. We denote it by using the
symbol ‘:’.
For example: In the above example, the ratio of Prateek’s age and Sobhani’s age is
20 years 20 5
5:2
8 years 8 2
3
? A ratio may be treated as a fraction. For example, 3:11 can be treated as .
11
? We can compare two quantities in terms of ratio, if these quantities are in the same
unit. If they are not, then they should be expressed in the same unit before the ratio
is taken.
For example: If we want to compare 70 paise and Rs 3 in terms of ratio, then we
have to convert Rs 3 into paise.
Rs 3 = 300 paise
In many situations in our daily life, we compare quantities of same type by taking
the difference between them.
For example: If the age of Prateek and Sobhani are 20 years and 8 years
respectively, then we can say that Prateek is 20 – 8 = 12 years older than Sobhani or
Sobhani is 12 years younger than Prateek.
? In many situations, a more meaningful comparison between quantities is made by
using division i.e., by observing how many times one quantity is in relation to the
other quantity. This comparison is known as ratio. We denote it by using the
symbol ‘:’.
For example: In the above example, the ratio of Prateek’s age and Sobhani’s age is
20 years 20 5
5:2
8 years 8 2
3
? A ratio may be treated as a fraction. For example, 3:11 can be treated as .
11
? We can compare two quantities in terms of ratio, if these quantities are in the same
unit. If they are not, then they should be expressed in the same unit before the ratio
is taken.
For example: If we want to compare 70 paise and Rs 3 in terms of ratio, then we
have to convert Rs 3 into paise.
Rs 3 = 300 paise
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