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Ratio and Proportion - Lesson 4
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Arka Roy
“Star Educator” in UNACADEMY || Plus Educator || Subscribe on Unacademy Plus by using referral code "royarka1990-4337"

U
Unacademy user
general science lo chemistry cheptunaru kada all classes sa 5to 10varaka adi bro
  1. Ratio and Proportion made easy Lesson 4


  2. Important properties of ratio Property8


  3. Important properties of ratio Property 9.1 Consider that1 If we add a positive number k to the numerator and denominator then a+k a CTh an a-k a b+k b b-k b 4 Example: 3 > again <3-1 3 3-1


  4. Important properties of ratio Property 9.2 Consider that1 If we add a positive number k to the numerator and denominator then ak and< Example: 3 again > 3-1 b-k b 2 2+1 3 3+1 2


  5. Important properties of ratio Property 10 Consider the ratio Then if w = Example 40 40+4 b+d b b d 30 30+3 30 3 because 40 4 a+ca Ca -> d b and if -<-then-< b+d b b+d b


  6. Thank You Arka Roy