Question # 1

The period of tan x/7 is

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3π

7π

15π

5π

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In ladder leaning against a vertical well makes an angle of 24^𝜊with the wall, Its foot is 5m from the wall, its length is

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5.47m

2m

7m

6.29m

If one root of the equation ix²- 2(i + 1) x +(2 - i) = 0 is 2 - i, then the other root is

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-i

2 + i

i

2 - i

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2

5

7

None of these

Every subset of a finite set is

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Disjoint

Null

Finite

Infinite

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a^xIn a + c

a^x+ c

x a^x+ c

Geometric mean between a and b is

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4

6

8

10

n! > 2ⁿ-1 is true when

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n≤ 3

n≤ 6

n≥ 4

n≤ 6

Number of terms in the expansion of (a+x)ⁿis

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n - 1

n + 1

n + 2

n + 3

The horizontal distance between the two towers is 60 m. the angular elevation of the top of the taller tower as seen from the top of the shorter one is 30°. If the height of the taller tower is 150 m, the height of the shorter one is

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116 m

200 m

216 m

None of these

In polar form of complex number r =

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Number of permutations of n distinct objects taken r(<n - 3) at a time which exclude 3(<n) particular objects is

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3! P(n, r - 3)

P(n, 3) P(n, r - 3)

P(r, r)P(n, r - 3)

P(n - 3, r)

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1/8

1/2

1/4

1/6

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6x - 2 + c

x³- x²+ x + c

6x - x²+ c

6x³- x²+ c

The physical quantity which can be specified by a number alongwith unit is called a

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scalar

vector

constant

none of these

If the flag-staff 6 meters high placed on the top of a tower. Makes the shadow 2√3 m on the ground, then the angle of elevation of the sun is

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30^ο

35^ο

45^ο

60^ο

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[0, 0, 0]

[1, 0, 0]

[0, 1, 0]

[0, 0, 1]

The solution of the quadratic equation x2 -7x + 10=0, is

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2

5

2,5

7

a.a^-1 = a^-1.a = 1 is a

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Commutative law of multiplication

Multiplicative identity

Associative law of multiplication

Multiplicative inverse

Given two numbers a and b. Let A denote the single A.M. between these and S denote the sum of n A.M.'s between them. Then S/A depends upon

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n, a, b

n, a

n, b

n

If distance between (3,b) and (0,0) is 3 then b = _______

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3

9

0

If uv= Projuv then

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Uandvare parallel

vis a unit vector

Uis a unit vector

Both b and c

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If n is a negative integer n! is

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1

0

Unique

Not defined

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The law of sines

The law of tangents

The pythagorus theorem

None of these

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quadrant I

quadrant II

quadrant III

quadrant IV

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