Question

Class 4,5 and 6 were asked to plant flowers in the school garden measuring 60 m X 60 m. (1)

Class 4 planted first in an area 30 m X 30 m. Class 5 planted in an area measuring 40 m X 30 m.

What area must class 6 plant so that the entire garden gets covered?
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Answer 1

50×40 is the answer because class 5 planted 40×30