Question
Four different toys are to be distributed among two
children such that each child gets at least one toy. In how many different ways can this be done?Solution
There are 4 toys to be distributed among 2 children such that each child gets at least 1 toy. Required ways = 4C1*3C3 + 4C2*2C2 + 4C3*1C1 = 4 + 6 + 4 = 14 ways.
The availability of plant nutrients are more at a pH range of 6-7 except
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