Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.

Statements:

All bulbs are grapes.

All grapes are lights.

Conclusions:

(I) : Some lights are grapes.

(II) : All bulbs are lights.

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  1. Neither conclusion (I) nor (II) follows
  2. Both conclusions (I) and (II) follow
  3. Only conclusion (II) follows
  4. Only conclusion (I) follows 

Answer (Detailed Solution Below)

Option 2 : Both conclusions (I) and (II) follow
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Detailed Solution

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The least possible Venn diagram for the given statements is as shown below :

qImage681721292fa1ee44790c081c

Conclusions:

(I) Some lights are grapes → Follow (As all grapes are lights. As whole grapes comes in lights, therefore it is true)

(II) All bulbs are lights → Follow (As all bulbs are grapes and all grapes are lights. As whole bulbs comes in grapes which whole comes in lights, therefore it is true)

∴ Here, Both conclusions (I) and (II) follow.

Hence, the correct answer is "Option 2"

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