" 17."3+5+9+15+23

Without adding, find the sum: 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19+ 21 + 23

Without adding, find the sum: 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23

Sum of the following series to n term: 3+5+9+15\ +23+........

Sum of the following series to n term: 3+5+9+15\ +23+........

Find the value of p, if the mean of the following distribution is 20 15 17 19 23 2 3 4 5 6

Find the value of p, if the mean of the following distribution is 20 15 17 19 23 2 3 4 5 6

Without doing the actual addition, find the sum of: (i) 1 + 3 + 5 + 7 + 9 + 11+ 13 + 15 + 17+ 19 + 21 + 23 (ii) 1 + 3 + 5 + 7 + 9 + ......+39 + 41 (iii) 1 + 3 + 5 + 7 + 9 + ......+51 + 53

Find the next number in the given series 9,11, 15, 17, 21, 23 ?