Direction: Three of the four numbers/words/letters of the following question belong to the same group or class. Pick up the one does not belongs to that group.
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NA
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- Keyboard, Mouse, Category
- Leveret, cub, Elephant
- Yen, Pound, Currency
- Hertz, Caloria, Watt
Correct Option: D
Only option (d) is correct because all are the units, which are related to Science.