Read the information given below carefully and answer the question that follows:
(A) If the mean of 5 numbers is 15 and then if 27 is included to the numbers, then the mean of the 6 numbers shall be 17
(B) The mean of marks of 300 students is 60, the mean of the top 100 students' marks is 80 and the mean of the last 100 students is 50, then the mean of the marks of the rest of the 100 students of the group is 60.
(C) The mean and median of 5 observations is 9 and 8 respectively, if 1 is subtracted from each observation, then the new mean and median shall be 8 and 7 respectively
Choose the correct answer from the options given below:
Held on 15 May 2025 · Verified 13 Jul 2026.
(A), (B) and (C)
(A) Only
(A) and (B) Only
(A) and (C) Only
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