मुख्य›संघ लोक सेवा आयोग प्रारंभिक परीक्षा›प्रश्न पत्र 2: सामान्य अध्ययन II (CSAT)›सिविल सेवा अभिरुचि परीक्षण (CSAT)›तार्किक तर्क और विश्लेषणात्मक क्षमता›17. What is the number of logically possible orders of all six
पठित परिच्छेद
A, B, C, D, E and F are cousins. NO two cousins are of the same age, but have birthdays on the same day of the same month. The youngest is 17 years old and the oldest E is 22 years old. F is somewhere between B and D in age. A is older than B. C is older than D. A is one year older than C.

17. What is the number of logically possible orders of all six cousins in terms of increasing age?

20152Mprelimsupscyear-2015p2csatlogical-reasoningranking-puzzles
A.1
B.2सही
C.3
D.4
व्याख्या एवं हल

सही उत्तर: (B) 2

Considering the provided order, there are constraints on the ordering, hence only two orders are possible.

In English (Question & Model Answer)

Reading Passage
A, B, C, D, E and F are cousins. NO two cousins are of the same age, but have birthdays on the same day of the same month. The youngest is 17 years old and the oldest E is 22 years old. F is somewhere between B and D in age. A is older than B. C is older than D. A is one year older than C.

17. What is the number of logically possible orders of all six cousins in terms of increasing age?

A.1
B.2Correct
C.3
D.4

Correct Option: (B) 2

Considering the provided order, there are constraints on the ordering, hence only two orders are possible.

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