Mathematics ECAT Pre Engineering Online Test With Answers

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Mathematics ECAT Pre Engineering Online Test

Sr. # Questions Answers Choice
1 y : x x : y -y : x -x : y
2 0 U u/2 log u
3
4
5
6
7
8
9 1 1/2 0 None
10 y/x x/y y/z None
11
12 xy y 0 x
13 1 -1 -1/2 1/2
14 2 1 5 0
15 1/8 1/2 1/4 1/6
16 (1,7/3) (1, 7/5) (1, 11/7) (1, 3/5)
17 R/[0,4] R/(0,4) (0,4) [0,4]
18 Does not exist because f is unbounded Is not attained even though f is bounded Is equal to 1 Is equal to -1
19 3/4 r v None of these
20 0 1 8 <span style="color: rgb(34, 34, 34); font-family: &quot;Times New Roman&quot;; font-size: 24px; text-align: center; background-color: rgb(255, 255, 224);"><i>∞</i></span>
21 The area of circle of unit radius = 0 1 4 <span style="color: rgb(34, 34, 34); font-family: &quot;Times New Roman&quot;; font-size: 24px; text-align: center; background-color: rgb(255, 255, 224);">π</span>
22 Domain of y = scs x is All real numbers except π/2 + n*π R All negative integers None of these
23 Graph of the question x2+ y2= 4 is A circle An ellipse A parabola A square
24 1 0 -2 3
25 The range of inequality x + 2 > 4 is (-1, 2) (-2, 2) (1,<span style="color: rgb(34, 34, 34); font-family: &quot;Times New Roman&quot;; font-size: 24px; text-align: center; background-color: rgb(255, 255, 248);"><i>∞</i></span>) None
26 A function F(x) is called even if F(x) = F (-x) F(x) = F(-x) F(x) = -F(x) 2F(x) = 0
27 The domain of f(x) = log x is [0,<span style="color: rgb(34, 34, 34); font-family: &quot;Times New Roman&quot;; font-size: 24px; text-align: center; background-color: rgb(255, 255, 248);"><i>∞</i></span>] (0,<span style="color: rgb(34, 34, 34); font-family: &quot;Times New Roman&quot;; font-size: 24px; text-align: center; background-color: rgb(255, 255, 248);"><i>∞</i></span>) [0,<span style="color: rgb(34, 34, 34); font-family: &quot;Times New Roman&quot;; font-size: 24px; text-align: center; background-color: rgb(255, 255, 248);"><i>∞</i></span>[ [<span style="color: rgb(34, 34, 34); font-family: &quot;Times New Roman&quot;; font-size: 24px; text-align: center; background-color: rgb(255, 255, 248);"><i>∞</i></span>,<span style="color: rgb(34, 34, 34); font-family: &quot;Times New Roman&quot;; font-size: 24px; text-align: center; background-color: rgb(255, 255, 248);"><i>∞</i></span>]
28
29 Which is an explicit function y = x<sup>2</sup>+ 2x - 1 x<sup>2</sup>+ xy + y<sup>2</sup>= 2 x<sup>2</sup>+ y<sup>2</sup>= xy + 2 All are
30 Which is not included in the domain of cos-1x 0 1 -1 2
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