Subject :IMO Class : Class 8
If x and y vary inversely as each other, and x = 10 when y = 6. Find y when
x = 15.
A 3
B 4
C 2
D 6
please give the solution
Ans 1:
Class : Class 9
Constant of proportionality when it is inverse variation is x×y=k
So,10×6=60
Find a number which when multiplied by 15 gives 60
60÷15=4
So, and is B - 4