1 Answers

Option 3 : Both I and II follow.

The least possible Venn diagram is given below:

[ alt="F1 V.B Madhu T.T.P 23.11.19 D7" src="//storage.googleapis.com/tb-img/production/19/11/F1_V.B_Madhu_T.T.P_23.11.19_D7.png" style="width: 301px; height: 87px;">

Conclusions:

I. No light is a fan → True (It is defined).

II. Some tube light is a bulb → True (It is defined).

III. Some bulb is a fan → Flase (It is possible but, not defined hence, false).

Hence, the correct answer is Both I and II follow.

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