1. What is 25% of 480?
a) 100
b) 120
c) 125
d) 140
Answer: 120
Explanation: 25% = 25/100 = 1/4480 ÷ 4 = 120
2. The LCM of 12 and 18 is:
a) 24
b) 30
c) 36
d) 72
Answer: 36
Explanation: Explanation:12 = 2² × 318 = 2 × 3²LCM = 2² × 3² = 36
3. If �, then the value of � is:
a) 13
b) 14
c) 15
d) 16
Answer: 15
Explanation: Explanation:x = 23 − 8 = 15
4. The average of 12, 18, 20, and 30 is:
a) 18
b) 20
c) 22
d) 25
Answer: 20
Explanation: Explanation:(12 + 18 + 20 + 30) ÷ 4 = 80 ÷ 4 = 20
5. A train travels 180 km in 3 hours. Its speed is:
a) 50 km/h
b) 55 km/h
c) 60 km/h
d) 65 km/h
Answer: 60 km/h
Explanation: Speed = Distance ÷ Time = 180 ÷ 3 = 60 km/h
6. Find the value of �.
a) 46
b) 56
c) 66
d) 76
Answer: 56
Explanation: Explanation:9² = 81, 5² = 2581 − 25 = 56
7. A shopkeeper gives a 20% discount on a ₹500 item. The selling price is:
a) ₹350
b) ₹380
c) ₹400
d) ₹450
Answer: ₹400
Explanation: Discount = 20% of 500 = ₹100Selling Price = 500 − 100 = ₹400
8. The simple interest on ₹1000 at 10% per annum for 2 years is:
a) ₹100
b) ₹150
c) ₹200
d) ₹250
Answer: ₹100
Explanation: Explanation:SI = (P × R × T) / 100= (1000 × 10 × 2) / 100 = ₹200
9. If the ratio of boys to girls is 3 : 5 and there are 40 students, then the number of boys is:
a) 10
b) 12
c) 15
d) 18
Answer: 15
Explanation: Total parts = 3 + 5 = 8Boys = (3/8) × 40 = 15
10. A number is divided by 8 and leaves a remainder of 5. Which of the following could be the number?
a) 61
b) 62
c) 64
d) 68
Answer: 61
Explanation: A number that leaves a remainder of 5 when divided by 8 is of the form 8n + 5.61 ÷ 8 = 7 remainder 5 ✅62 ÷ 8 = 7 remainder 664 ÷ 8 = 8 remainder 068 ÷ 8 = 8 remainder 4Therefore, the correct answer is A) 61.