Three short problems on averages

Three short problems on averages

Secondary 2
TGM Original Questions
  1. The mean mass of five parcels is 32 kg. When a sixth parcel is added, the mean becomes 36 kg. Find the mass of the sixth parcel.
  2. Four positive integers are in the ratio \(1:2:3:4\) and have mean 15. Find their largest value and their median.
  3. The median of \(3,6,8,10,x\) is 8. State the possible values of \(x\).

Solution:

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Answer:(a) \(56\) kg; (b) largest \(24\), median \(15\); (c) \(x\ge8\).

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