Maths Quiz– Set 11

By Alka Jaiswal / December 13, 2025

Maths Quiz – Set 11

1. What is the value of 25% of 640?
A) 120 B) 140 C) 160 D) 180

2. If the ratio of boys to girls is 7:5 and total students are 72, number of boys is:
A) 40 B) 42 C) 45 D) 48

3. The average of first 20 natural numbers is:
A) 10 B) 10.5 C) 11 D) 21

4. A sum becomes ₹7260 in 2 years at 10% p.a. simple interest. Find the principal.
A) ₹6000 B) ₹6500 C) ₹6600 D) ₹7000

5. What is the cube of 9?
A) 729 B) 243 C) 656 D) 512

6. If 5x = 60, then x = ?
A) 10 B) 11 C) 12 D) 15

7. The speed of a car is 72 km/h. What is it in m/s?
A) 18 B) 20 C) 22 D) 24

8. What is the HCF of 54 and 90?
A) 6 B) 9 C) 18 D) 27

9. If CP = ₹800 and profit = 25%, SP = ?
A) ₹900 B) ₹950 C) ₹1000 D) ₹1100

10. Find the value of √2025.
A) 35 B) 40 C) 45 D) 50

Maths Quiz – Set 11