Find the mean proportional of 144 and 9.
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Correct answer: (D) 36
From RRB JE CBT-1 PYQ 19 Feb 2026, Shift 2 (12:45 PM)
This is question 92 of RRB JE CBT-1 PYQ 19 Feb 2026, 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.