Question

9. In a five-storeyed mansion, there are 18 rooms on each floor and in every room there are twenty switches
How many switches are there in all the rooms of the building?
with sum pls​

Answer 1

number of rooms = 18

no. of switches on each floor = 20

total no. of switches= 18 × 20

= 360

Answer 2

Answer: 360

Step-by-step explanation: There are 18 rooms and 20 switches in each.

First,you take the 18 then,multiply it by 20.Just like this:

18×20=x

18

×20

____

360

_____

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