Question # 1

Write the first four terms of the arithmetic sequence if a₁= 5 and other three consecutive terms are 23,26,29

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23, 26, 29, 32

5, 8, 11, 14

8, 11, 14, 17

None of these

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The set of complex numbers forms a group under the binary operation of

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Addition

Multiplication

Division

Subtraction

If 0 < n < 1, n is a rational number, the number of terms in the expansion of (1 + X)ⁿare

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n + 1

2n

Infinitely many

2n²

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Free vector

Null vector

Unit vector

None of these

Two dice are rolled. The number of possible outcome in which at least one die shows 2 is?

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5

12

11

7

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If 1 + Cos x = 0, then x =

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The number of diagonals of a six sided figure are

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9

6

12

3

The sum of the interior angles for a 16 sided polygon is

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4 pie

14 pie

8 pie

2 pie

Two natural numbers whose sum is 25 and difference is 5, are

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25, 20

20, 10

20, 5

15, 10

Which of the following integrals can be evaluated

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15

15 i

-15 i

-15

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A + B

C²/AB

A²/BC

B²/AC

The mid point of the line joining (-1, -3) to (3, -5) is

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(1, 1)

(1, -1)

(2, -8)

(1, -4)

If the sum of the roots of (a + 1)x²+ (2a + 3)x +(3a+4) = 0 is -1, then product of the roots is

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1

2

-2

-1

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