What is the sum of the numbers 13, 14, 15 and 16?

The median of the numbers 14 12, 12, 16, 13 and 18 is:

What is the range of the series : 15,18,13,16,14,13,14,19,21

What is the sum of the first 16 terms of the given series: 6 , 13/2,7, 15/2 .......

What is the sum of the first 16 terms of the given series: 6, 13/2 , 7, 15/2 …………

The product of two numbers is 14 and their sum is 5 . What is the sum of the reciprocals of these numbers?

The mean of a data is 15 and the sum of the observations is 195. The number of observations is 13 (b) 19 16 (d) 17

The mean of a data is 15 and the sum of the observations is 195. The number of observations is (a) 13 (b) 19 (c) 16 (d) 17

Find the range of the series : 15, 18, 13, 16, 14, 13, 14, 19, 21.