Which of the following is not changed for the observations 31, 48, 50, 60, 25, 8, 3x, 26, 32? (where x lies between 10 and 15).

Which of the following is/are not Pythagorean triplet (s)? 3,4,5 (b) 8,15,17 7,24,25 (d) 13,26,29

Which of the following fractions are equivalent: 3/(8), 15/(32)

Which of the following is/are not Pythagorean triplet (s)? (a) 3,4,5 , (b) 8,15,17 (c) 7,24,25 (d) 13,26,29

The median of the following observations, arranged in ascending order is 15. 10, 12, 14, x − 3, x, x + 2, 25. Then find x.

If the mean of the following observations is 39, find the value of x. 29, 48, x, 51, x — 3.

If the median of the observations arranged in the ascending order as 24, 25, 26, x + 2, x + 3, 30, 31, 34 is 27.5, then x = . . . .

Find the mean of the following distribution: x: 10 30 50 70 89 f: 7 8 10 15 10

Find the mean of the following distribution: x: 10 30 50 70 89 f: 7 8 10 15 10

If the median of the data : 24, 25, 26, x + 2, x + 3, 30, 31, 34 is 27.5. Then x equals___