If the mean of the following data is 40, then the value of X is:
If the mean of the following data is 40, then the value of X is:
xᵢ: 10, 25, 70, 85
fᵢ: 21, X, 22, 35
Show answerHide answer
Correct answer: (B) 107
From RRB JE CBT-1 PYQ 17 Dec 2024, Shift 2 (12:45 PM)
This is question 18 of RRB JE CBT-1 PYQ 17 Dec 2024, Shift 2 (12:45 PM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.