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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: No plastic is iron. All steel is iron. Conclusions: I. Some plastic is steel. II. Some iron is steel. III. No steel is plastic.

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: No plastic is iron. All steel is iron. Conclusions: I. Some plastic is steel. II. Some iron is steel. III. No steel is plastic. Correct Answer Only conclusion II and III follow

Given,

Statements:

No plastic is iron.

All steel is iron.

Conclusions:

I. Some plastic is steel.

II. Some iron is steel.

III. No steel is plastic.

The least possible Venn diagram is as follows,

[ alt="F1 Pankaj 17.2.21 Pallavi D25" src="//storage.googleapis.com/tb-img/production/21/02/F1_Pankaj_17.2.21_Pallavi_D25.png" style="width: 193px; height: 71px;">

Conclusions:

I. Some plastic is steel ⟶ False (From Venn diagram we see no plastic is steel)

II. Some iron is steel ⟶ True (From Venn diagram we see some iron is steel)

III. No steel is plastic ⟶ True (From Venn diagram we see no plastic is steel)

Hence, the correct answer is Only conclusion II and III follow.

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