Question # 1

Ifθ= 60° then

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sinθ= 1/2

tanθ= cot 30°

θ=π/4

secθ= 4

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An empty set

Universal set

A singleton set

None of these

Point (2,0) lies on trigonometric function f(x)=______;

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sinx

cosx

tanx

secx

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0

1

-1

None

A man of height 6 ft observes the top of a tower and the foot of the tower at angles of 45° and 30° of elevation and depression respectively. The height of the tower is

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π / 3

π / 4

π / 6

0

The coefficient of x¹⁸ in (ax⁴-bx)⁹ after expansion is

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84a³ b⁶

22a³b⁶

27a⁴b⁵

28a³b⁶

A set having only one element is called

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An empty set

Universal set

A singleton set

A power set

If a statement S(n) is true for n = 1 and the truth of S(n) for n = k implies the truth of S(n) for = k + 1, then S(n) is true for all

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Real numbers n

Integers n

Positive integers n

None of these

How many 3 digit numbers can be formed by using each one of the digit 2, 3, 5, 7, 9 only once?

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15

24

60

120

A point (x,y) which satisfy a linear inequality in two variables form its

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Solution

Domain

Range

None

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