Question # 1

A sequence whose reciprocal is an A.P is called

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Oscillator

H.P

G.P

None of these

If y=sin(ax+b) then y4=________:

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sin4(ax+b)

a4sin(ax+b)

a4cos(ax+b)

None of these

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The order axioms are satisfied by set of

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C

C and R

R

None of these

One second is denoted by

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1⁰

1'

1"

1 rad

The harmonic mean between a and b is

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When we expand (a + 2b)⁵then

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a⁵+ 10a⁴b + 40a³b²+ 80a²b³+ 80ab⁴+ 32b⁵

a⁵+ a⁴b + a³b²+ a²b³+ ab⁴+ b⁵

5a⁵+ 4a⁴b + 3a³b²+ 2a²b³+ 1 ab⁴+ b⁵

None

The differential equations of all conis whose axes coincide with the co-ordinate axis is

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if f(x) = x³ -3x² +5x -1, then f(-√2)=

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7+7√2

3+3√2

-7-7√2

-3-3√2

∫x/Sin² x dx is equal to:

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x cot x + ln|sin⁡x |

-x cot x - ln|sin⁡x |

x cot x - ln|sin⁡x |

x. tan x- ln|sec⁡x |

The mid point of the line segment joining the points (4,0) and (0,4) is

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(4,4)

(2,2)

(-4,-4)

(-2,-2)

A function f(x) is said to be the periodic function if for all x in the domain of f, there exists a smallest positive number p such the f(x + p) = ______

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f(p)

f(x)

f(o)

None of these

If a +b +c =0 then which of the following is true

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a =b =c =0

a,b =b,c =c,a

a xb=b xc =c xa

None

In a class of 100 students, 60 drink tea, 50 drink coffee and 30 drink both. A student from his class is selected at takes at last one of 2 drinks is

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2 / 5

3 / 5

4 / 5

None of these

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-x

Infinite set

{-4, 4}

None of these

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0

1

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The number of terms in the expansion of (a + b)⁹is

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10

11

9

12

The sum of all 2 digit number is

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4750

3776

4895

4905

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I quadrant

II quadrant

III quadrant

IV quadrant

If A ⊆ B then A ∪ B is

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A

B

A'

A ∩B

Multiplicative inverse of "1" is

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0

±1

1

{0,1}

f(x) = ax + b will be an identity function if

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a = 1 , b = 1

a = 1 , b = 0

A person standing on the bank of a river observes that the angle subtended by a tree of the opposite bank is 60°, when he retreats 40 m from the bank, he finds the angle to be 30°. The height of the tree and the breadth of the river are