2, 3, 4, 2, 12, 8, 7, 9, 8, 6, 8, 5, 8 का बहुलक क्या होगा ?

How many 8's followed by an even number and preceded by an odd number? 7, 8, 5, 6, 7, 8, 4, 3, 2, 1, 3, 8, 6, 4, 3, 7, 8, 4, 2, 1, 3, 8, 2, 8, 9

What is the median of 6, 9, 13, 8, 3, 2, 5, 7 and 11? 6, 9, 13, 8, 3, 2, 5, 7 और 11 की मध्यिका क्या है ?

If U ={1,2, 3, 4, 5, 6, 7, 8, 9 }, A = {2, 4, 6, 8} and B = { 2, 3, 5, 7}. Verify that (A uu B)' = A' nn B'

If U ={1,2, 3, 4, 5, 6, 7, 8, 9 }, A = {2, 4, 6, 8} and B = { 2, 3, 5, 7}. Verify that (A nn B)' = A' uu B'

Construct a frequency table for the following data: (i) 6,7,5, 6, 8, 9, 5, 5, 6, 7, 8, 9, 8, 10, 10, 9, 8, 10, 5, 7, 6,8 (ii) 3,2,1,5, 4, 3, 2, 5, 5, 4, 2, 2, 2, 1,4,1,5,4

Construct a frequency distribution table for the following data, taking class-intervals 4-6, 6-8 , ............. 14-16 . 11.5, 6.3, 7.8, 9.2, 10.5, 4.5, 6, 8.3, 12.5, 15.8, 7.4, 5.3, 8.4, 15.2, 8.9, 9.8, 8.25, 6.5, 5.8, 10.5, 14.2, 15.3, 11.7, 9.9, 8.8, 6.6, 4.3, 4.7, 9.4, 10.1, 15.5, 14.4, 12.2, 7.7, 5.5 .

If a : b = 5 : 3, then (8a - 5b) : (8a + 5b) is equal to : यदि a : b = 5 : 3 है, तो (8a - 5b) : (8a + 5b) का मान क्या होगा ?

Find the variance and S.D. for the following set of numbers. : 7, 11, 2, 4, 9, 6, 3, 7, 11, 2, 5, 8, 3, 6, 8, 8, 2, 6