In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it. COURAGE
In the following figure rectangle represents authors, circle represents Art Critics, triangle represents Tattooists, and square represents joggers. Which set of letters represents Joggers who are either Art Critics or Authors
A Sonar of a ship sends sounds waves of speed 1600 m/s. These waves are reflected back by the ocean floor in 4 seconds. Find the depth (in m) of the ocean floor.