ICET Mathematical Ability - Arithmetic 1 โ Questions and Answers
Question 1: A shopkeeper buys an article for $240 and sells it at a 25% profit. What is the selling price?
- $270
- $290
- $300 (Correct answer)
- $310
Correct answer: $300
Selling price = 240 ร 1.25 = $300.
Question 2: What is the simple interest on $5,000 at 8% per annum for 3 years?
- $1,000
- $1,200 (Correct answer)
- $1,400
- $1,500
Correct answer: $1,200
SI = (P ร R ร T)/100 = (5000 ร 8 ร 3)/100 = $1,200.
Question 3: Two pipes A and B can fill a tank in 12 and 18 hours respectively. How long will they take together?
- 6.5 hours
- 7 hours
- 7.2 hours (Correct answer)
- 8 hours
Correct answer: 7.2 hours
Combined rate = 1/12 + 1/18 = 5/36, so time = 36/5 = 7.2 hours.
Question 4: A train travels 360 km in 4 hours. What is its speed in km/h?
- 75
- 80
- 85
- 90 (Correct answer)
Correct answer: 90
Speed = Distance รท Time = 360 รท 4 = 90 km/h.
Question 5: The ratio of two numbers is 3:5 and their sum is 80. What is the larger number?
- 30
- 40
- 50 (Correct answer)
- 60
Correct answer: 50
Larger number = (5/8) ร 80 = 50.
Question 6: What percentage of 250 is 75?
- 25%
- 28%
- 30% (Correct answer)
- 35%
Correct answer: 30%
(75/250) ร 100 = 30%.
A shopkeeper buys an article for $240 and sells it at a 25% profit.
What is the selling price?