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In how many maximum different ways can 3 identical balls be placed in 12 squares (each ball is placed in the exact centre of a square) shown in the fi
Five balls of different colours are to be placed in three different boxes such that any box contains at least one ball. What is the maximum number of
All six letters of the name SACHIN are arranged to form different words without repeating any letter in any one word. The words so formed are then arr
Consider the following statements: 1. The series of international paper sizes is based on A0 size whose area is 0.5 m² (approx). 2. The area of A4 s
Recently, the European Union and six other countries including India signed the International Thermonuclear Experimental Reactor (ITER) Project. Whic
The correct answer is option (c): 46. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
This question was asked in UPSC CSE Prelims 2007, GS Paper 1, as Question 136. It falls under Science & Technology > Quantitative Aptitude.
This question is rated "moderate". It requires sound conceptual understanding of the topic.
UPSC has asked 164 questions from Quantitative Aptitude (under Science & Technology) across multiple years. Visit the topic page to see the full list and year-wise trends.