


ICSE /Class 7
Maths MCQ Based On Ratio and proportion revision
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ICSE Class 7 Maths Ratio and proportion revision
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Take LCM.
Multiplication with LCM of denominator.
The product of the means is equal to the product of the extremes.
\\(\\frac{A}{C}= \\frac{A}{B}\\times \\frac{B}{C}\\)
the ratio between decreased value(300) and the actual value.
SI = P X R X T / 100
Create an equation 7x + 8x = 900, calculate x value
R= 100 X SI / PX T
Let third proportion be x then 8:12 = 12:x.
Put SI = P X R XT /100

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