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1/3rd of a number is 3 more than the 1/6th of a number then find the number?
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keyword: Alok Bhanu, stack of 20 coins. i move can play. dat z 1th move means to put top coin 1 postion below. gold coin. initialy gold coin is at 3rd position from top. if itz player turns nd player brings gold coin to the top then player z winner. alok starts. which of the following is true.
a) alok must play 1th move to win.
b) alok must play 0th move to win
c) alok has no wining strategy
After the typist writes 12 letters and addresses 12 envelopes, she inserts the letters randomly into the envelopes (1 letter per envelope). What is the probability that exactly 1 letter is inserted in an improper envelope?
a)0
b)12/212
c)11/12
d)1/12