Question

If x and y varies inversely as each other and x is equal to 10 when constant of variation ke is 50 find the value of Y

Answer 1

Answer:

xα

y

1

x=

y

k

when x=10

y=6

10=

6

k

k=60

Option (A) x=15

y=4

15=

4

60

=15LHS=RHS

(B) x=20

y=3

20=

3

60

=20LHS=RHS

(C) x=15

y=30

15=

30

60

=2LHS



=RHS

(D) x=0.6

y=100

0.6=

100

60

=0.6LHS=RHS

December 26, 2019