Isobars are lines that join points having the same atmospheric pressure on a meterological map. Each line represents a pressure of a given value. Shown here is a map of isobaric lines in millibars.
Deepika inflated a balloon at place X and tied its mouth securely. At which of the following places would the balloon have the same size as at place X?
(Note: The temperature is the same at all places.)
a) P b) Q c) R
d)