Directions : In each of the following questions, four pairs of words are given out of which the words in three pairs bear a certain common relationship. Choose the pair in which the words are differently related.
a) Ammeter : Current
Options:
A . Ammeter : Current
B . Hydrometer : Pressure
C . Odometer : Speed
D . Seismograph : Earthquakes
Answer: Option B Answer: (b) In all other pairs, first is an instrument to measure the second.
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