ECAT Mathematics MCQ's Test For Full Book With Answers

ECAT Mathematics MCQ's Test For Full Book

Sr. # Questions Answers Choice
1 According to Aristotle, in proposition there could be one possibilities two possibilities three possibilities seven possibilities
2 A daclarative statement which may be true or false but not both is called a hypothesis proposition implication conjuction
3 For reasoning, we have to use implication conjunction induction proposition
4 While witting his hooks on geometry, Euclid used inductive method deductive method implication proposition
5 To draw conclusions from some expreiments or few contacts only is called deduction implication conjunction induction
6 Basic principles of deductive logic were laid down by Euclid Leibniz Newton Aristotle
7 Deduction is mostly used in elementary mathematics natural science higher mathematics medicine
8 To draw conclusions front premises believed to be true, this way of reasoning is called deduction induction implication disjunction
9 All men are mortal. We are men, therefore, we are also mortal. This is a useful example of deduction induction conjunction disjunction
10 We often consult doctors or lawyers on the basis of their good personality behaviour reputation good dealing
11 The greater part of our knowledge, is based on deduction induction conjunction disjunction
12 0 1 -1 None
13 If C is the mid point of AB and P is any point outside AB, then
14 A,. B, C are coincident A, B, C are collinear Both A and B None of these
15
16
17
18 3j . k x i 0 1 3 9
19 The angle between the vectors 3i + j - k and 2i - j + k is
20 A 0 Unit vector None
21 If the vector 2i + 4j - 7k and 2i + 6j + xk are perpendicular then x = ? 0 2 4 7
22 If the angle between two vectors with magnitude 6 and 2 is 60° when their scalar product is 12 6 3 0
23 0 90° 180° 360°
24
25 The direction cosines of y-axis are 1, 0, 0 0, 1, 0 0, 0, 1 1, 1, 1
26 l<sup>2</sup>+ m<sup>2</sup>+ n<sup>2</sup>= 0 l<sup>2 </sup>- m<sup>2</sup>+ n<sup>2</sup>= 1 l<sup>2</sup>+ m<sup>2</sup>+ n<sup>2</sup>= 1 l<sup>2</sup>+ m<sup>2</sup>- n<sup>2</sup>= 0
27 Which of the vectors have opposite direction?
28
29 The magnitude of a vector can never be Zero Negative Positive None of these
30 A vector of magnitude zero is called Position vector Null vector Free vector None of these
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