SPI Mock Test 9 | Concept Level

1. If α, β are roots of x² - 5x + 6 = 0, then α² + β² = ?

13 11

2. Solve: x² - 4x - 5 = 0

5,-1 4,-5

3. If two triangles are similar, ratio of areas = ?

square of ratio of sides ratio of sides

4. Angle in semicircle is always:

Right angle Obtuse

5. If tanθ = 1, θ = ?

45° 30°

6. Value of sin²30° + cos²30° = ?

1 1/2

7. If radius doubles, area becomes:

4 times 2 times

8. Two coins tossed, probability of 2 heads:

1/4 1/2

9. If CAT → DBU, then BAT → ?

CBU DBT

10. Find next: 2, 6, 12, 20, ?

30 28

11. Synonym of “rapid”:

fast slow

12. Choose correct sentence:

She has done her work. She have done her work.

13. Odd one out:

Triangle Square

14. If 5x = 20, then x = ?

4 5

🔥 SPI Mock Test 9 (Concept Level)