Travelling _____ air is faster than travelling _____ sea.

A. On; on

B. By; by

C. In; on
D. By; at
Travelling _____ air is faster than travelling _____ sea. |  By; by | CSS, PMS, PPSC, FPSC, KPPSC, SPSC, ISSB and NTS Past Papers | Pakistan's Largest Online Past Papers Database

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