Two navy ships start from the same port. Ship A travels 23 km West, then turns to its left and travels 19 km. Ship B travels 19 km West, then turns North and travels 5 km, then turns to its left and travels 4 km. Where is ship A with respect to ship B?
A Navy captain going away from a lighthouse at the speed of 4[(√3) – 1] m/s. He observes that it takes him 1 minute to change the angle of elevation of the top of the lighthouse from 60 to 45 deg. What is the height (in metres) of the lighthouse?
In the question, a word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in two matrices given below. The columns and rows of Matrix I are numbered from 0 to 4 and that of Matrix II are numbered from 5 to 9. A from these matrices can be represented first by its row and next by its column. e.g. 'O' can be represented by 65, 88 etc. and 'F' can be represented by 13, 42, etc. You have to identify the set for the word ‘NAVY’.
The Indian Navy commissioned the highly manoeuvrable fast attack craft INS Tihayu at the Eastern Naval Command on 19 October 2016. The ship was commissioned at Visakhapatnam under the Naval Officer-in-Charge (Andhra Pradesh) and would be deployed for coastal patrol and surveillance operations along the Eastern Coast.