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The probability of getting an even number on a spinning wheel as shown in figure is 1/2 and that of a prime is 2/3. The wheel is divided into 6 sectors, five of which are marked 8, 5, 4, 7, 3 and the sixth is marked '?'. What could be the missing number on the wheel ?
Correct Answer: (b)
Official keyThis question appeared in the GPSC Prelims 2017 examination (GS-I). It is Question 180 out of 400 questions in this paper.
This question was part of the GPSC Prelims 2017 (GS-I). The GPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all GPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.