Algebra mcqs test with answers. Please note all candidates who will attempt this test, will check their result and ranking below here
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Hallo!
This test consist of 40 mcqs of linear algebra. Click on the right answer and check your ability. In the end, you will get right and wrong answers. Also you will get your obtaind marks.
Please you will attempt the test only once. So becarefull. If you want to attempt the test again then whattsapp me at +923367002955 or email pakmath19@gmail.com.
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Question 1 of 40
1. Question
1 pointsLet u=(1,2,3),v=(4,5,1),w=(2,7,4) then v.w = ?
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Question 2 of 40
2. Question
1 pointsThe other name of Minkowski’s inequality is
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Question 3 of 40
3. Question
1 pointsLet A be a real matrix. Then which of the followings are equivalent:
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Question 4 of 40
4. Question
1 pointsCorrect
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Question 5 of 40
5. Question
1 pointsCorrect
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Question 6 of 40
6. Question
1 pointsFor orthogonal matrix A, the matrix A must be
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Question 7 of 40
7. Question
1 pointsCorrect
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Question 8 of 40
8. Question
1 pointsCorrect
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Question 9 of 40
9. Question
1 pointsCorrect
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Question 10 of 40
10. Question
1 pointsCorrect
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Question 11 of 40
11. Question
1 pointsLet A be a complex matrix. Then which of the following is
equivalent:Correct
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Question 12 of 40
12. Question
1 pointsCorrect
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Question 13 of 40
13. Question
1 pointsLet A = diag(1,4,3) and B=diag(2,5,0). Then AB=
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Question 14 of 40
14. Question
1 pointsCorrect
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Question 15 of 40
15. Question
1 pointsWhich of the following matrix is normal?
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Question 16 of 40
16. Question
1 pointsLet v = (4, 5, 1), w=(2, 7, 4). Then, v.w=
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Question 17 of 40
17. Question
1 pointsCorrect
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Question 18 of 40
18. Question
1 pointsCorrect
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Question 19 of 40
19. Question
1 pointsk × j =
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Question 20 of 40
20. Question
1 pointsk.k=
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Question 21 of 40
21. Question
1 pointsa=(5,2) then a=
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Question 22 of 40
22. Question
1 pointsLet u=(1, k, 3) and v =(2, 5, 4) and u,v are orthogonal then k=
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Question 23 of 40
23. Question
1 pointsIf u =(3 ,12, 4) then u=
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Question 24 of 40
24. Question
1 pointsA unit vector u orthogonal to v =[1, 3, 4]and w =[2, 6, 5] is
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Question 25 of 40
25. Question
1 pointsCorrect
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Question 26 of 40
26. Question
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Question 27 of 40
27. Question
1 pointsA matrix A is __________ if and only if A has a nonzero determinant.
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Question 28 of 40
28. Question
1 pointsA triangular matrix is a square matrix whose entries above the diagonal are all zero is known as
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Question 29 of 40
29. Question
1 pointsA triangular matrix is a square matrix whose entries below the diagonal are all zero is known as
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Question 30 of 40
30. Question
1 pointsCorrect
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Question 31 of 40
31. Question
1 pointsCorrect
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Question 32 of 40
32. Question
1 pointsCorrect
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Question 33 of 40
33. Question
1 pointsFor a square matrix A, A²=A is called
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Question 34 of 40
34. Question
1 pointsCorrect
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Question 35 of 40
35. Question
1 pointsA square matrix A for which A²=I is called
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Question 36 of 40
36. Question
1 pointsLet A,B are the matrices of order 6 such that det(AB²)=72,det(A²B²)=144. The value of det(2A)=
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Question 37 of 40
37. Question
1 pointsCorrect
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Question 38 of 40
38. Question
1 pointsIf A is n×n skew symmetric matrix and n is odd then detA=
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Question 39 of 40
39. Question
1 pointsCorrect
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Question 40 of 40
40. Question
1 pointsIf (x,3)=(2,x+y) then y=
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Leaderboard: Linear Algebra MCQs Test 01 dated 17012021
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