Question # 1

If sided of𝜟ABC are 16,20,and 33, then the value of the greatests angle to

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150𝜊 20'

132𝜊 35'

101𝜊 25'

160𝜊 50'

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2x cos x2

-2xcosxsinx

2x Sin x2

-Sin x2

A matrix with a single row is called a

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Column matrix

Row matrix

Null matrix

Identity matrix

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405 / 256

504 / 259

450 / 263

None

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3, -3, 11

3, 3, 11

-3, 3, -11

-3, -3, 11

In polar form of complex number r =

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0

-1

1

not defined

The equation of motion of a stone thrown vertically up wards is s = ut - 4.9t²the maximum height attained by it =

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1

12

5

29

The value of x for which the polynomials x2 - 1 and x2 -2x + 1 vanish simultaneously is

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2

1

-1

-2

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R/[0,4]

R/(0,4)

(0,4)

[0,4]

What is the period of sin 2x/3 cos 4x=?

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π

2π

π/2

π/3

(1, 1) is the in the solution of the inequality

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3x + 4y > 3

2x + 3y < 2

4x = 3y > 5

2c - 3y > 2

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none of these

Co-ordinate of a point on the parabola y² = 8x whose focal distance is 4 are:

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(2 , 4)

(-2 ,-4)

(-2, 4)

(2,-4)

If a₁and 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

a₁r^n-1

a₁rⁿ⁺¹

a₁rⁿ

The cube roots of 8 are

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Water seeps out of a conical filter at eh constant rate of 5 cm/sec. the height of the cone of water in the filter is 15 cm. the height of the filter is 20 cm and radius of the base is 10 cm. the rate at which the height of the water decreases is

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Range of 3 cot x is ______

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[-1, 1]

[-3, 3]

R

None of these

The sum of the focal distance from any point on the ellipse 9x2 +16y2 =144 is

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32

16

18

8

Which is not included in the domain of cos^-1x

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0

1

-1

2

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Rational

Irrational

Even

Odd

If a,b,c are in arithmetic progression, then 1/a,1/b.1/c are in

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A.M

G.M

H.M

G.P

The multiplicative inverse of -3i is

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3i

-3i

-1/3i

1/3 i

The distance of the point (a,b) from y-axis is

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a

b

a + b

22.5°=______

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Given two independent event A and B such that P(A) = 0.30 and P(B) = 0.60. Probability of getting neither A nor B is

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0.28

0.13

0.12

0.42

If one end of the diameter of the circle 2x²+ 2y²-8x - 4y = 2 = 0 is (2 ,3), the other end is:

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(2,1)

(-2,1)

(2,-1)

(1,-1)

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