If C(n,4) = 495. Find n.
14
10
16
12
C(n,12) = C(n,8) N = ?
Mode of the data 15, 17, 15, 19, 14, 18, 15, 14, 16, 15, 14, 20, 19, 14, 15 is (a) 14 (b) 15 (c) 16 (d) 17
What will be the mean of x, x + 2, x + 4, x + 6, x + 8, where the value of x is 12?