TN Class XI / Plus one Maths OBJECTIVE TYPE QUESTIONS (EM) 201718 Test 1
Subject – MATHEMATICS (Matrices and Determinants, Vector Algebra, Algebra, Sequence and Series, Analytical Geometry)
Marks : 25
No of questions : 25
Time : 25 minutes
TN Class XI / Plus one Maths OBJECTIVE TYPE QUESTIONS (EM) 201718 Test 1
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Question 1 of 25
1. Question
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Question 2 of 25
2. Question
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Question 3 of 25
3. Question
Let A and B be 3 × 3 matrices. Then AB = 0 implies
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Question 4 of 25
4. Question
If AB = A and BA = B, then
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Question 5 of 25
5. Question
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Question 6 of 25
6. Question
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Question 7 of 25
7. Question
The value of 30! / 28! is
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Question 8 of 25
8. Question
When n = 5 and r = 2, the value of n! / r! is
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Question 9 of 25
9. Question
The value of 10! / 5!5! is
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Question 10 of 25
10. Question
The value of 30 × 12 × 2 is
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Question 11 of 25
11. Question
Which of the following is true ?
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Question 12 of 25
12. Question
The number of arrangement which can be made from the letters of the word “CHANDIGARH” is
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Question 13 of 25
13. Question
The number of ways different signals can be transmitted by arranging 3 red, 2 yellow and 2 green flags on a pole is
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Question 14 of 25
14. Question
The next two terms of the series −1,1/4, 3/2 , , … is
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Question 15 of 25
15. Question
The nth term of the sequence 5, 2, –1, –4, –7, … is
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Question 16 of 25
16. Question
For two positive real numbers GM = 300, HM = 180 then A.M. is
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Question 17 of 25
17. Question
For two positive real numbers, AM = 4, GM = 2 then the H.M. between them is
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Question 18 of 25
18. Question
The quantities x, y, z are in A.P. as well as in H.P., then they are also in
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Question 19 of 25
19. Question
The distance between the points (–1, –4) (3,5) is
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Question 20 of 25
20. Question
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Question 21 of 25
21. Question
The coordinates of the points A, B, C are (0,4), (12,5) and (3,13) respectively, then
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Question 22 of 25
22. Question
The abscissa of the point (7,8) is
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Question 23 of 25
23. Question
The length of the tangent from x^2 + y^2 = 4 from the point (4,0) is
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Question 24 of 25
24. Question
The circles x^2 + y^2 – 4x – 6y – 12 = 0 and x^2 + y^2 + 6x + 4y – 12 = 0 are ____________ to each other
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Question 25 of 25
25. Question
Two circles are said to intersect orthogonally when the tangent are at _________ at the common point.
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