Weight Comparison of Balls
CMAT 2022 · Logical Reasoning · Easy · Ordering and Ranking
Each of the five balls, Red, Blue, Yellow, Black and Green is of a different weight. It is known that: (i) Black ball is heavier than the Red and Blue balls. (ii) Yellow ball is lighter than the Red ball. (iii) Blue ball is heavier than the Red and Green balls.
Which ball could be the lightest one?
- A.
Only Green
- B.
Either Yellow or Green
- C.
Only Yellow
- D.
Either Yellow or Red
B
Explanation
From (i): Black > Red, Blue. From (ii): Red > Yellow. From (iii): Blue > Red, Green. Combining inequalities: Black is heaviest. Blue > Red > Yellow, and Blue > Green. Since no relationship between Green and Yellow is given except that both are lighter than Blue/Red, either Green or Yellow could be the lightest.
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