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A and B can do a piece of work in 6 days and 4 days respectively. A started the work;
worked at it for 2 days and then was jo

By Abigail

A and B can do a piece of work in 6 days and 4 days respectively. A started the work;
worked at it for 2 days and then was joined by B. Find the total time taken to complete
the work.​

About the author
Abigail

The expression
(11.98 11.98 +11.98*x+0.02 0.02)
will be a perfect square for x equal to
1) 0.02
2) 0.2
3)

Write four rational numbers equivalent to each of the following rational numbers :7/-11​

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