16, 61, 25, 52, 36, 63, 49, _____ | कक्षा 14 | शृंखला | तर्क | संशय

1, 4, 27, 16, 25, 36

4, 9, 16, 25, 49, 121

Given below are the ages of 25 students of class IX in a school. Prepare a discrete frequency distribution. 15, 16, 16, 14, 17, 17, 16, 15, 15, 16, 16, 17, 15, 16, 16, 14, 16, 15, 14, 15, 16, 16, 15, 14, 15

121 ? 81 64 49 36 25

1, 4, 9, 16, 20, 36, 49 (a) 1 (b) 9 (c) 20 (d) 49