If two quantities x and y vary directly with each other, then ______ of
their corresponding values remains constant.
If on increasing a, b decreases in such a manner that _______ remains ______ and positive, then a and b are said to vary inversely with each
other.
On increasing a, b increases in such a manner that b/a remains______
and positive, then a and b are said to vary directly with each other
When the speed remains constant, the distance travelled is ______
proportional to the time.
If 12 pumps can empty a reservoir in 20 hours, then time required
by 45 such pumps to empty the same reservoir is ______ hours.
Two quantities are said to vary ______ with each other if an increase
in one causes a decrease in the other in such a manner that the
product of their corresponding values remains constant.
Two quantities are said to vary ______ with each other if they increase
(decrease) together in such a manner that the ratio of their
corresponding values remains constant
x and y are said to vary directly with each other if for some positive
number k, ______ =k
Both x and y are said to vary ______ with each other if for some
positive number k, xy = k.
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