Re-arrange the ten stations in two different sequences:

Solution:

(i) According to their distance from the equator:

Tiruvanantapuram (closest)

Bangalore

Chennai

Mumbai

Nagpur

Kolkata

Shillong

Jodhpur

Delhi

Leh (farthest)

(ii) According to their altitude above mean sea-level:

Kolkata (lowest)

Chennai

Mumbai

Tiruvanatapuram

Delhi

Jodhpur

Nagpur

Bangalore

Shillong

Leh (highest)