Ramesh moves toward the east and covers 30 m and then takes a right and covers 40 m. Find the direction and the distance from the initial point to the final point.
In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.
The evolutionary history of penguins (1)/ is well-researched and represents a showcase of (2)/ evolution bio geography. (3)/ No error (4)
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 these matrices can be represented first by its tow and next by its column. e.g. 'A' can be represented by 22, 10 etc and 'P' can be represented by 55, 67, 79 etc. Similarly, you have to identify the set for the word "NEAT".
The mean of marks secured by 45 students in division A of class X is 56, 40 students of division B is 52 and that of 40 students of division C is 50. Find the mean of marks of the students of three divisions of Class X.