Question # 1

In the figure angle A is =

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15

60

90

20

If Cⁿ_r, Pⁿ_r = 24:1 then r = ?

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1

2

3

4

The sum of the ages of Nazish and his son is 56 years. Eight years ago. Nazish was 3 time as old as his son. How old is the son now?

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m = n

m ≠ n

mn = 1

mn = 0

2/(x+1)(x-1) = A/x+1 + B/x-1 corresponds to

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α = b/a and β = ca

α = a/b and β = -c/a

α² + β² = 1

α = -b/a and β= c/a

Which of the following is the solution of Cot²x = 1/√3

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π/5

π/3

π/7

π/9

An m x n matrix is said to be rectangular if

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Forms a group w.r.t. addition

Non commutative group w.r.t. multiplication

Forms a group w.r.t. multiplication

Doesn't form a group

Derivative of strictly increasing function is always

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Zero

Positive

Negative

Both A and B

P(x) = 2x⁴ -3x³ +2x-1 is polynomial of degree

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1

2

3

4

Tan (π + Tan^-1 x) =?

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Tan x

X

-x

Cot^-1 x

If i,m,n are the direction cosines of a vector O̅P̅ then

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I² + m² + n² =0

I² - m² + n² =1

I² + m² + n² =1

I² + m² - n² =0

The common difference of the sequence 7,4,1......is

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1

-3

5

0

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