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CHETANA PUBLICATION-RATIO AND PROPORATION-Exercise
- If a:b=7:8 and b:c=12:7 then find a:c in the simplest form.
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- If x/y=13/6 then find the value of (3x+5y)/(3x-5y)
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- If x/y=13/6 then find the value of (2x^2+5y^2)/(2x^2-5y^2)
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- If (7a^2+2b^2)/(7a^2-2b^2) =113/13, find the value of a/b
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- Solve the equation: (3x^2+21x+4)/(3x^227x+5)=(x+7)/(x+9)
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- Solve the equation: (sqrt(x+13)+sqrt(x-1))/(sqrt(x+13)-sqrt(x-1))=3 ...
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- If (x)/(y+z-x)=(y)/(z+x-y)=(z)/(x+y-z) and x+y+z=0 then show that each...
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- If (2x-3y)/(3z+y)=(z-y)/(z-x)=(x+3z)/(2y-3x), then prove that every ra...
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- If (a)/(y+z-x)=(b)/(z+x-y)=©/(x+y-z) then show that (x)/(b+c)=(y)/(c+a...
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- Which number should be subtracted from 13,25 and 55 so that resultant ...
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- (x-4) is geometric mean of (x-5) and (x-2) find the value of x
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- If (x+y)^2 , m and (x-y)^2 are in continued proportion, then determine...
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- 63/60=…….%
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- If a/b=7/3 then find the value of (5a+3b)/(5a-3b) and (5a^2+3b^2)/(5a^...
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- Fill in the blanks: a/3=b/4=c/7=(a-2b+3c)/……=………/(6-8+14)
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- Find the following ratios: The ratio of diagonal of a square to its si...
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- If sqrt(0.04 xx 0.4 xx a)=0.4 xx 0.04 xx sqrt(b) then find the ratio a...
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- The ratio of present ages of Rehana and her mother is 2:7. After 2 yea...
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