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TNUSRB SI 2020 Official Paper (Held on 12 January 2020)

Medium 140 Questions 180 min 70 marks

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180 min · 70 marks · Full test mode with leaderboard

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Question No: 46Difficulty: mediumMarks: 0.5mcq

If ∣ a ∣ = 13, b = 5 and a . b = 60, then the value of a \times b is

Question No: 47Difficulty: mediumMarks: 0.5mcq

The adjoint of matrix ≤ft[ {*20c a&b\\ c&d } ] is

Question No: 48Difficulty: mediumMarks: 0.5mcq

The rank of a zero matrix is

Question No: 49Difficulty: mediumMarks: 0.5mcq

If the temperature of a liquid is raised, then its surface tension is

Question No: 50Difficulty: mediumMarks: 0.5mcq

In a closed organ pipe, the frequencies of harmonics are in the ratio.

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