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.
In the following question, out of the four alternatives, choose the word which best expresses the meaning of the given word and click the button corresponding to it.
A helicopter, at an altitude of 1500 m, finds that two ships are sailing towards it, in the same direction. The angles of depression of the ships as observed from the helicopter are 60° and 30°respectively. Distance between the two ships, in metres is
Three years ago, the average age of a family of 5 members was 17 years. A baby having been born, the average age of the family is the same today. The present age of the baby is
A can do a piece of work in 10 days, B can do it in 12 days and C can do it in 15 days. In how many days will A, B and C finish it, working all together?