NTS Mathematics Mcqs Online Test 9

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NTS Mathematics Mcqs Online Test 9 Question Answers Start Below

If b² - 4ac >0, then roots of ax² + bx + c = 0 are?

irrational
real
equal
rational

Correct!

Wrong!

If b² - 4ac = 0, then roots of ax² + bx + c = 0 are?

equal
imaginary
irrational
rational

Correct!

Wrong!

Secθcotθ equals to?

sinθ
1⁄cosθ
1⁄sinθ
sinθ⁄cosθ

Correct!

Wrong!

Cosec²θ - cot²θ equals to

 

1
-1
0
tanθ

Correct!

Wrong!

Sin²θ + cos²θ equals to?

1
0
0.5
2

Correct!

Wrong!

If b² - 4ac < 0, then roots of ax² + bx + c = 0 are?

equal
irrational
rational
imaginary

Correct!

Wrong!

If b² - 4ac >0, and not a perfect square then roots of ax² + bx + c = 0 are?

imaginary
rational
equal
irrational

Correct!

Wrong!

1 + cot²θ equals to?

sec²θ
sin²θ
cosec²θ
cos²θ

Correct!

Wrong!

1 + tan²θ equals to?

cosec²θ
sec²θ
sin²θ
cos²θ

Correct!

Wrong!

The value of 30° into radians should be?

π⁄3
π⁄4
π⁄6
2π⁄4

Correct!

Wrong!

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