2 8 12 20 30 42 56

The next number of the sequence 2 , 6 , 12 , 20 , 30 , 42 , 56 , _____ is

2, 6, 12, 20, 30, 42, 56, (......) (a) 60 (b) 64 (c) 72 (d) 70

Find the value of p for the following distribution whose mean is 16.6 8 12 15 20 25 30 12 16 20 24 16 8 4

Find the value of p for the following distribution whose mean is 16.6 8 12 15 20 25 30 12 16 20 24 16 8 4

The next number of the sequence 2,6, 12, 20, 30, 42, 56. — Is

Which number will fit in question mark (?) place in the following series? 2, ?, 12, 20, 30, 42 (A) 2 (B) 4 (C)6 (D) 8

9 = 90 8 = 72 7 = 56 6 = 42 3 = ?

Find the value of p for the following distribution whose mean is 16.6 x : 8 12 15 p 20 25 30 f : 12 16 20 24 16 8 4