Question

A detergent powder company is having a contest .Each pack of 1kg contains on of the letters b,am and o .If in every 20 packs ,there are four bs ,five as ten ms and one o what is the probability that a pack will have a b? A)1/4 b)1/2 c)1/5 d)1/20

Answer 1

Answer:

Given that,

20 packs of detergent powder contains 4 b's, 5 a's, 10 m's and 1 o's.

The probability that pack will have b= number of b's in 20 packs/ number of total letters in 20 packs=4/20

Therefore, the probability of 1 pack of detergent powder contains b's=1/5

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