Question

If Vaishali can paint a house in 4 hours, and Karan can paint the same house in 6 hours, how long will take for both of them to paint the house together ?
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Answer 1

Answer:

1h

Step-by-step explanation:

4h=60×4

=240

6h=60×6

=360

360+240=600

6+4=10

600/10=60

60min=1h