Average Practice Test 1

Question : 14 of 40

Marks: +1, -0

The average weight of three boys A, B and C is

54 1 /3

kg, while the average weight of three boys B, D and E is 53 kg. The average weight of A, B, C, D and E is:

53.2 kg
53.8 kg
52.4 kg
Data inadequate

Validate

Solution:

The weight of three boys (A + B + C)

= 3 × 163/3

= 163 kg
The weight of three boys (B + D + E) = 3 × 53 = 159 kg
Now, it is quite clear that without the absolute value of B the average weight of A, B, C, D and E can not be determined. Hence, data is inadequate.

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