What is the reason behind naphthalene balls disaapear at room temperature?

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What is the reason behind naphthalene balls disaapear at room temperature?

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People normally put some Naphthalene balls in the box in which they keep clothes and winter blankets. After some weeks they find that there is no Naphthalene ball left in the box. Why does the Naphthalene ball disappear with time, without leaving any residue?

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A bag contains 20 balls. 8 balls are green, 7 are white and 5 are red. What is the minimum number of balls that must be picked up from the bag blindfolded (without replacing any of it) to be assured of picking at least one ball of each colour?

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A boy is playing in a lawn. There is an odd number of balls placed in the lawn at intervals of 1 m in a straight line. The boy is assembling the balls around the middle ball, while carrying only one ball at a time. The boy carried out the job starting with the ball in the middle, carrying balls in succession, thereby covering a distance of 364 m. What must be the number of balls in the lawn?

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A bag contains 15 red balls and 20 black balls. Each ball is numbered either 1 or 2 or 3. 20% of the red balls are numbered 1 and 40% of them are numbered 3. Similarly, among the black balls, 45% are numbered 2 and 30% are numbered 3. A boy picks a ball at random. He wins if the ball is red and numbered 3 or if it is black and numbered 1 or 2. What are the chances of his winning?

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Let us now consider another question, which is a classic case of complete or comprehensive trial and error method.Two people A and B are playing a game. Both A and B are logical people. There are two boxes on the table. One of them contains 9 balls, the other contains 4 balls. In this game, the players are supposed to take alternate turns of picking up balls according to the following rules:(

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What is the reason behind naphthalene balls disaapear at room temperature? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about What is the reason behind naphthalene balls disaapear at room temperature? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is the reason behind naphthalene balls disaapear at room temperature?.

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