Maths Quiz – Set 9

1. If x = 7, evaluate 3x² – 2x + 5.

2. The LCM of 12, 15, and 18 is:

3. Find the simple interest on ₹6000 at 10% for 3 years.

4. A train of 180 m crosses a pole in 9 seconds. Speed = ?

5. If a : b = 3 : 5, find (a + b)/b.

6. Solve: 2x – 5 = 17.

7. Perimeter of a square is 56 cm. Side = ?

8. If CP = ₹500 and SP = ₹600, profit% = ?

9. What is 45% of 320?

10. If a number is increased by 20%, it becomes 96. Original number?