Question

Some tubes are not lamps. Some tubes may not be bulbs. All wires may be tubes.

Q: Answer-Some tubes are not lamps. Some tubes may not be bulbs. All wires may be tubes.

Some tubes are wires I No wire is a lamp E rArr Some tubes are not lamps O Some bulbs are tubes I rArr Conversion rArr Some tubes are bulbs I rArr Probable conclusion rArr Some tubes may not be bulbs O. Some tubes are wires I rArr Conversion rArr Some wires are tubes I rArr Probable conclusion rArr All wires may be tubes A Hence, option 2 is correct. By elimination method - By 1 and 4, no possibility case can be drawn between tube and bulb. Hence both are eliminated. By 3, no no no relation can be drawn between tubes and lamps. Hence it is eliminated. Hence answer is option 2.

In the given question, a set of conclusions is given. There are five options comprising of three or more statements. You need to choose the option that contains the set of statements from which the given conclusions logically follow.

A Some wires are lamps. No bulb is a tube. Some tubes are wires.

B Some bulbs are tubes. Some tubes are wires. No wire is a lamp.

C No tube is a wire. All bulbs are tubes. No wire is a lamp.

D Some tubes are wires. No bulb is a tube. All wires are lamps.

E Both 1st and 3rd.

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RBI Grade B

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RBI Grade B DSIM

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