Question

उस संख्या का 40% क्या होगा, जिसका 200&%, 90 है ?

Answer 1

200%=90
•°• 100%=90÷2=45
•°• 40%=45×40÷100
=1800÷100
=18

Answer 2

If 200% of the number is 90,then the number is 100/200×90=45.
Then 40% of 45 = 40/100×45=18