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यदि ए = {3, 6, 9, 12 , 15 , 18 , 21 } , ...

यदि `ए = {3, 6, 9, 12 , 15 , 18 , 21 }` , `बी = {4, 8, 12 ,16 , 20 }` , `सी = { 2, 4, 6, 8, 10 `` , 12...

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If A" "=" "{3," "6," "9," "12 , 15 , 18 ," "21} , B" "=" "{" "4," "8, 12 ,16 ," "20" "} , C" "=" "{" "2," "4," "6," "8, 10 , 12 , 14 , 16" "} , D" "=" "{5," "10 , 15 ," "20" "} ; find (i) A - B (ii) A - C (iii) A - D

Let A = {3,6,9,12,15,18,21}, B = {4,8,12,16,20}, C = {2,4,6,8,10,12,14,16}and D ={5,10,15,20}. Find : (i) A-B (ii) A-C (iii) A-D (iv) B-A (v) C-A (vi) D-A (vii)B-C (viii) B-D (ix) C-B (x) D-8 (xi) C-D (xii) D-C.

If S = {2, 4, 6, 8, 10, 12} and A = {4, 8, 12}, find A'.

Let A={3,6,9,12,15,18,21}, B= {4,8,12,16,20}, C= {2,4,6,8,10,12,14,16} and D = {5,10,15,20}. Find : (i) A-B (ii) A-C (iii) A-D (iv) B-A (v) C- A (vi) D-A (vii) B-C (viii) B-D (ix) C-B (x) D-B (xi) C-D (xii) D-C.

Construct a frequency table for the following ages (in years) of 30 students using equal class intervals, one of them being 9-12 , where 12 is not included. 18, 12, 7, 6, 11, 15, 21, 9, 8, 13, 15, 17, 22, 19, 14, 21, 23, 8, 12, 17, 15, 6, 18, 23, 22, 16, 9, 21, 11, 16 .

Let A={3,6,12,15,18,21},B={4,8,12,16,20},C={2,4,6,8,10,12,14,16}andD={5,10,15,20. Find: A-B

Let A={3,6,12,15,18,21},B={4,8,12,16,20},C={2,4,6,8,10,12,14,16}andD={5,10,15,20. Find: A-C