1.

A can paint a wall in 5 days while B can do the same work in 4.days. If they work together for 2 days what part of the wall will be painted

Answer»

ANSWER:

b can PAINT 1/4means 0.25 in a DAY and a can paint 1/5 means 0.20 in a day so both of them together will paint 0.25+0.20 in a day as the answer is 0.45 in a day approximately half of the wall can be PAINTED

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