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Exercise 1.4.3
1.
The ratio of cement and sand in mixture A is
1 : 4 and mixture B is 2 : 7. Find, what mixture
By Melanie

Exercise 1.4.3
1.
The ratio of cement and sand in mixture A is
1 : 4 and mixture B is 2 : 7. Find, what mixture
has large amount of sand.​

About the author
Melanie

A and B salaries are in the ratio of (3, 4)
If both of there salaries are increased by Rs 20000 each, the new ratio becomes (

01
what is sustainable development
why it is the need of
the hour from environment

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