In how many ways 4 letters can be posted in two post boxes?
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matherchod log nahi pata hao to galat ans kahe ko post krta be
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A can work three times as B can work. If A takes 60 days less than B to complete the same task, calculate the number of days when both A and B start working together on the same day.
in a company 30% are supervisors and 40% employees are male if 60% of supervisors are male. what is the probability that a randomly choosen employee is a male or female?
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f(X)=4f(X-1) THEN VALUE OF X=
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