Question
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 row and next by its column. e.g. ‘A’ can be represented by 03, 12 etc. and ‘N’ can be represented by 56, 65 etc. Identify the set for the word DRAW .Solution
Remember that a letter from these matrices is represented first by its row and next by its column. Option (A): 14, 89, 12, 78 
Option (B): 41, 66, 23, 55 
Option (C): 32, 75, 44, 76 
Option (D): 32, 57, 30, 68 
Find the sum of geometric progression, 40, 20, 10, 5, …..
What will be the mode of the following data?
13, 15, 31, 12, 27, 13, 27, 30, 27, 28 and 16
Find the mode of the data: 2, 2, 3, 5, 15, 15, 15, 20, 21, 23, 25, 15, 23, 25.
The mean of the sample data = 60 and median = 48. Find the mode of this distribution.
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