Instrumentation Engineering
2021 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE IN 2021 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 4–6 of 65. Imported answers require review unless explicitly marked reviewed.
Question 4
Open questionGAMCQ1 markNeeds review
⊕ and ⊙ are two operators on numbers
and
such that
and
. If
, then
Your answerChoose one option.
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Open questionGAMCQ1 markNeeds review
Four persons P, Q, R and S are to be seated in a row, all facing the same direction, but not necessarily in the same order. P and R cannot sit adjacent to each other. S should be seated to the right of Q. The number of distinct seating arrangements possible is:
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 6
Open questionGAMCQ2 marksNeeds review
Statement: Either P marries Q or X marries Y
Among the options below, the logical NEGATION of the above statement is:
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