4 21. सिद्ध कीजिए कि 2 6 1 -7 1 0 3 4 5 0 -6 -7 -8 4 21 -18 20

How many 4's are there preceded by 7 but not followed by 3? 5 9 3 2 1 7 4 2 6 9 7 4 6 1 3 2 8 7 4 1 3 8 3 2 5 6 7 4 3 9 5 8 2 0 1 8 7 4 6 3

What should come next in the following series? 1 2 3 4 5 6 7 8 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 7 6 5 4 3 2 1 1 2 3

If SHELF is coded as 20-7-6-11-7 , then LEAVES is coded as (A) 13-4-2-21-6-18 (B) 13-6-2-23-6-20 (C ) 11-6-1-21-6-20 (D) 11-6-1-23-4-18

If A = [(11,-20,17),(6,-40,2),(7,-20,-11)] and B = [(6,-7,8),(1,-3,1),(2,1,-4)] , compute AB and hence find A^-1

Arrange in ascending order : -18, 21, -4, -9, -12, -6, -15, -5, 0, 6, -21

find the median of: (i) 2,10,9,9,5,2,3,7,11 (ii) 15,6,16,8,22,21,9,18,25 (iii) 20,13,18,25,6,15,21,9,16,8,22 (iv) 7,4,2,5,1,4,0,10,3,8,5,9,2

The daily maximum temperature recorded in a certain city during the month of November are as follows: 24.5, 25.8, 25.6, 20.7, 21.8,20.5,20.6,20.9,23.1,22.4,21.5,22.7,22.8,22.0,23.9,22.8,23.8,24.6,21.1,23.9 Represent them as a frequency distribution table with class size 1^@C .