What is the mean of the following distribution?
54, 23, 66, 44, 79, 21, 54, 67, 29, 59

(A) 51,4

(B) 49.6

(C ) 48.4

(D) 45.3

What is the median of the following distribution? 42, 65, 18, 69, 29, 42, 48, 79, 25, 24, 98, 87, 63, 27, 17 (A) 43.5 (B) 65 (C ) 69

Find the mean of the following data : 54, 62 , 69 , 45 , 23 , 48 , 76 , 25 , 36 , 62

1, 4, 9, 16, 25, 36, 49, (.....) (a) 54 (b) 56 (c) 164 (d) 81

36, 54, 18, 27, 9, 18.5, 4.5 (a) 4.5 (b) 18.5 (c) 54 (d) 18

5 : 100, 4: 64 :: 4 : 80, 3 :? (A) 26 (B) 48 (C) 60 (D) 54

Which of the following is not a prime number? 21 (b) 23 (c) 29 (d) 43