निम्नलिखित आँकड़ों का बहुलक ज्ञात कीजिए :
(i) 1, 3, 5, 5, 5, 4, 6
(ii) 2, 4, 6, 3, 4, 3, 4, 4, 7, 2
(iii) 5, 7, 9, 8, 7, 9, 7, 7, 3, 5, 2

Find the mode of the following data: (i) 3, 5, 7, 4, 5, 3, 5, 6, 8, 9, 5, 3, 5, 3, 6, 9, 7, 4 (ii) 3, 3, 7, 4, 5, 3, 5, 6, 8, 9, 5, 3, 5, 3, 6, 9, 7, 4 (iii) 15, 8, 26, 25, 24, 15, 18, 20, 24, 15, 19, 15

the mode of the data 8, 4, 5, 3, 6, 7, 7, 8, 4, 6, 8, 9 and 9 is 7.

If A = { 3 , 5 , 7 , 9 , 4 }, B = { 1, 3, 5 } , C = { 2, 4, 6 ,7 } ; then A - { B ∩ C } =

Data :   4 , 7 ,9 , 3 , 4 , 5, 3 , 6 ,7 ,6 ,8 , 6 ,7 , 6 , 5 , 6 ,8 , 6 , 5 and 4 ; then find the mode

Make a frequency distribution of the following series 1,1, 2, 3, 3, 3, 3, 3,3, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6,6, 6, 6, 6, 7, 7,7,8,8.

If U ={1,2, 3, 4,5, 6,7,8, 9,10} and A= {3, 4, 7, 9}, then A’ equals :

If U= {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, A= {1, 2, 3, 5}, B= {2, 4, 6, 7} and C= {2, 3, 4, 8}. Then, (B cup C)'="………"

If U= {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, A= {1, 2, 3, 5}, B= {2, 4, 6, 7} and C= {2, 3, 4, 8}. Then, (C - A)'="……….."

State with reason whether following functions have inverse (i) f:{1,2,3,4} ->{10} " with " f={(1, 10),(2, 10),(3, 10),(4, 10)} (ii) g:{5, 6, 7, 8}->{1,2,3,4}" with "g={(5, 4),(6, 3),(7, 4),(8, 2)} (iii) h : {2, 3, 4, 5} → {7, 9, 11, 13}" with "h = {(2, 7), (3, 9), (4, 11), (5, 13)}