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ECAT Mathematics Online Test MCQs With Answers
Question # 1
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Question # 2
If a is any real number and a = a is called
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symmetric property
Trichotomy Properties
Transitive Property
Reflexive Properties
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Question # 3
Find the next two terms of 7, 9, 12, 16,...
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18, 20
19, 22
20, 25
21, 27
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Question # 4
A kite flying at a height of 67.2 m is attached to a fully stretched string inclined at an angle of 53 to the horizontal, the length of the string
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62m
82m
73m
57m
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Question # 5
For an A.P common difference d
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Can be zero
May or may not zero
Cannot be zero
None of these
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Question # 6
A quadratic equation in x is an equation that can be witten in the form
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ax
2
+ b = 0
ax
3
+b
2
+c=0
ax
2
+bx+c=0
ax
3
+bx
3
+cx=0
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Question # 7
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real number
complex number
rational number
irrational number
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Question # 8
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0
-1
1
not defined
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Question # 9
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Question # 10
If (2, 3) is the mid point of (a, 3) and (5, b) then
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a = 1 , b = -3
a = -1 , b = 3
a = 1 , b =3
a = -1 , b = -3
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Question # 11
How many arrangements of the letters of the word MI SSI PPI, taken all together can be made?
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Question # 12
Domain of y = scs x is
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All real numbers except π/2 + n*π
R
All negative integers
None of these
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Question # 13
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Question # 14
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Question # 15
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Question # 16
By expressing cos 113° in terms of trigonometrical ratios, answer will be
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− cos 76° = -0.7093
− cos 65° = -0.4258
− cos 67° = -0.3907
− cos 62° = -0.8520
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Question # 17
If f(x) = x
2
then f(0) is
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0
1
2
none of these
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Question # 18
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Question # 19
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Question # 20
By expressing sin 125° in terms of trigonometrical ratios, answer will be
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sin 65° = 0.9128
sin 55° = 0.8192
sin 70° = 0.5384
sin 72° = 0.1982
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Question # 21
i =
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Question # 22
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Question # 23
(2 + w) (2 + w
2
) = ______
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1
2
3
0
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Question # 24
The sum of first twenty odd integers in A.P is
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400
397
404
408
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Question # 25
The system of measurement in which the angle is measured in radians is called the
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circular system
CGS system
sexagesimal system
none of these
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Question # 26
(A ∩ B)c =
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A∩ B
(A ∪ B)c
Ac∪Bc
Φ
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Question # 27
Cycle tyres are supplied in lots of 10 and there is a chance if 1 in 500 tyres to be defective. Using Poisson distribution, the approximate number of lots containing no defective tyre in a consignment of 10, 0000 lots is
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9028
9208
9802
9820
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Question # 28
If a
1
and r are the first term and the common ratio respectively then (n + 1)th term of the G.P. is
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0
a
1
r
n-1
a
1
r
n+1
a
1
r
n
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Question # 29
If 2 and 2 are x and y components of vector then its angle with x-axis is
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30
°
45
°
60
°
90
°
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Question # 30
The sum of all even numbers less than 100 is
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2450
2352
2272
2468
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Question # 31
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