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Only wires are switches can be written in two ways = Some wires are switches (I) and All switches are wires (A). Hence, conclusion I will follows. Only nuts are boards ⇒ All boards are nuts. Hence, conclusion II will follows. Only nuts are boards = Some nuts are boards (I) and All boards are nuts (A). Hence, conclusion II will follow but conclusion III will not follow. Only wires are switches⇒ All switches are wires & no wire is a board. Hence, conclusion IV will follows. Aletrnate Method: Only wires are switches ⇒ All switches are wires (A). Hence, conclusion I will follows. Only nuts are boards ⇒ All boards are nuts. Hence, conclusion II will follows. All boards are nuts (A) ⇒ Hence, conclusion II will follow but conclusion III will not follow. Only wires are switches⇒ All switches are wires & no wire is a board. Hence, conclusion IV will follows.
Which of the following rivers does NOT have its origin in the Indian state of Rajasthan?
Which substance changes the rate of chemical reactions and remains chemically different during reaction?
What is the full form of PPLO with respect to bacteria?
Which one of the following (Mineral-Producing Area) is not correctly matched?
Which of the following religious communities in India primarily celebrates the Pateti festival?
Dr.Teejan Bai, a Padma Shri, Padma Bhushan and Padma Vibhushan awardee is globally recognised for her contribution to which of the following art forms?
Until when is the overarching scheme "PRITHvi VIgyan (PRITHVI)" of the Ministry of Earth Sciences approved for implementation?