## NTS Mathematics Mcqs Online Test 9 Question Answers Start Below

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

equal

irrational

rational

imaginary

### Correct!

### Wrong!

The value of 30° into radians should be?

π⁄3

π⁄4

π⁄6

2π⁄4

### Correct!

### Wrong!

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

irrational

real

equal

rational

### Correct!

### Wrong!

Cosec²θ - cot²θ equals to

1

-1

0

tanθ

### Correct!

### Wrong!

1 + tan²θ equals to?

cosec²θ

sec²θ

sin²θ

cos²θ

### 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!

Sin²θ + cos²θ equals to?

1

0

0.5

2

### 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!

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Test 09 ;

Ans ;

30degree into radian is pie/6 not pie/4