Question

Rupali painted 5/7 portion of painting, and dipali painted 7/11 portion of painting. How much part rupali paintd more than dipali ?​

Answer 1

Answer:

While mixing, the ratio of pigment and base should be same

So we have red pigment to base ratio given as 1:8

For red pigment =4

Base ⇒

8

1

=

x

4

=32

For red pigment =7

Base ⇒

8

1

=

x

2

=56

For red pigment =12

Base ⇒

8

1

=

x

12

=96

For red pigment =20

Base ⇒

8

1

=

x

20

=160

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