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 letter from this matrix can be represented first by its row and next by its coloum ex "A" can be represented by 03,10,etc and "P" can be represented by 55, 67, etc. Similarly, you have to identify the set for the word "REST".
In the following question, sentence given with blank to be filled in with an appropriate word(s). Four alternatives are suggested for the question. Choose the correct alternative out of the four and indicate it by selecting the appropriate option.
A Sonar of a ship sends sounds waves of speed 1500 m/s. These waves are reflected back by the ocean floor in 5 seconds. Find the depth (in m) of the ocean floor.