In how many ways 4 letters can be posted in two post boxes?
Answer Posted / sasi
5
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There are 5 red shoes, 4 green shoes. If one drasw randomly a shoe what is the probability of getting redshoe is
vernacular : place : : fingerprint : ?
epaulette : shoulder :: tiara :
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if f(x)=1/x then f(f(f(x))) equals
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If a ball falls from 16 feet takes 4 seconds. How much time it will take when falls fron 64 feets.