If the mean of the following data is 37, then the value of X is:
If the mean of the following data is 37, then the value of X is:
xᵢ: 20, 30, 40, 85
fᵢ: 19, X, 13, 24
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Correct answer: (A) 124
From RRB JE CBT-1 PYQ 16 Dec 2024, Shift 2 (12:45 PM)
This is question 20 of RRB JE CBT-1 PYQ 16 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.