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Online Tests

ECAT Mathematics Online Test MCQs With Answers

Question # 1

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Question # 2

The sum of indicated terms of a sequence is called

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Arithmetic series

Series

Harmonic series

None of these

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Question # 3

The synthetic division method is only used to divide a polynomial by

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quadratic equation

binomial

linear equation

monomial

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Question # 4

How many arrangements of the letters of the word MI SSI PPI, taken all together can be made?

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Question # 5

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Question # 6

sin (sin^-1(1/2))=

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0

2

∞

1/2

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Question # 7

1/3 is a decimal

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Recurring

Terminating

Non-terminating

None of the above

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Question # 8

If f(x) = cos x then f(0) is

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0

1

1/2

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Question # 9

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A rational number

An irrational number

An odd number

A prime number

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Question # 10

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4A - 3I

3A - 4I

A - I

None of these

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Question # 11

(2 + w) (2 + w²) = ______

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1

2

3

0

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Question # 12

The sum of all even numbers less than 100 is

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2450

2352

2272

2468

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Question # 13

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Associative law of addition

Commutative law of addition

Additive identity

Closure law of addition

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Question # 14

9. 8. 7. 6= ______

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Question # 15

Total number of subsets that can be formed out of the set {a,b,c} is

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1

4

8

12

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Question # 16

A set having only one element is called

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An empty set

Universal set

A singleton set

A power set

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Question # 17

Out of 10, 000 families with 4 children each, the number of families all of whose children are daughters is

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375

500

625

150

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Question # 18

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Question # 19

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Question # 20

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28 / 81

28 / 243

81 / 28

243 / 82

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Question # 21

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Question # 22

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0

2

4/3

5/3

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Question # 23

If f(x) = x²-x then f(0) is

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0

1

2

3

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Question # 24

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Question # 25

In R the number of identity element w.r.t '+' is

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One

Two

Three

Four

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Question # 26

The set of months in a year beginning with S.

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{September, October, November}

Singleton set

Null set

Empty set

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Question # 27

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Question # 28

How many arrangements of the letter of the word PAKPATTAN can be made

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Question # 29

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cos 2x + c

- cos 2x + c

tan 2x + c

cot 2x + c

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Question # 30

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3x²+ 2

3x²+ 2x + 3

x³+ x²

none of these

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Question # 31

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