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The given diagram shows the number of students who failed in an examination comprising papers in English, Hindi and Mathematics. The total number of s
In a certain code, MARCH is written as OCTEJ. How is RETURN written in that code?
A, B, C, D, E and F, not necessarily in that order, are sitting in six chairs regularly placed around a round table. It is observed that A is between
Consider the following features of newer models of motor cars: I. Radial tyres II. Streamlined body III. Multipoint fuel injection IV. Catalytic conve
When a CD (Compact Disc used in audio and video systems) is seen in sunlight, rainbow-like colours are seen. This can be explained on the basis of the
The correct answer is option (b): 4. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
This question was asked in UPSC CSE Prelims 2000, GS Paper 1, as Question 134. It falls under Science & Technology > Logical Reasoning & Puzzles.
This question is rated "moderate". It requires sound conceptual understanding of the topic.
UPSC has asked 71 questions from Logical Reasoning & Puzzles (under Science & Technology) across multiple years. Visit the topic page to see the full list and year-wise trends.