GSAT Quantitative Reasoning 2 — Questions and Answers
Question 1: A rectangle has a length of 12 cm and a width of 7 cm. What is its area?
- 38 cm²
- 74 cm²
- 84 cm² (Correct answer)
- 96 cm²
Correct answer: 84 cm²
Area of a rectangle = length × width = 12 × 7 = 84 cm².
Question 2: The test scores of 5 students are: 72, 85, 90, 68, and 80. What is the mean (average) score?
- 79 (Correct answer)
- 80
- 82
- 85
Correct answer: 79
Mean = (72 + 85 + 90 + 68 + 80) ÷ 5 = 395 ÷ 5 = 79.
Question 3: A bag contains 4 red, 3 blue, and 5 green marbles. What is the probability of randomly picking a blue marble?
- 1/3
- 1/4 (Correct answer)
- 5/12
- 3/8
Correct answer: 1/4
Total marbles = 12; probability = 3/12 = 1/4.
Question 4: A price increased from $50 to $65. What is the percentage increase?
- 15%
- 20%
- 25%
- 30% (Correct answer)
Correct answer: 30%
Percentage increase = (65 − 50) / 50 × 100 = 15/50 × 100 = 30%.
Question 5: What is the median of the following set of numbers: 7, 3, 9, 5, 11, 1, 8?
- 5
- 7 (Correct answer)
- 8
- 9
Correct answer: 7
Sorted: 1, 3, 5, 7, 8, 9, 11; the middle (4th) value is 7.
Question 6: What is the simple interest earned on $1,200 at 5% per year for 3 years?
- $60
- $150
- $180 (Correct answer)
- $200
Correct answer: $180
Simple interest = P × R × T = $1,200 × 0.05 × 3 = $180.
Question 7: If 5 pens cost $3.75, what is the cost of 8 pens?
- $5.00
- $5.50
- $6.00 (Correct answer)
- $6.50
Correct answer: $6.00
Unit price = $3.75 ÷ 5 = $0.75; cost of 8 = 8 × $0.75 = $6.00.
GSAT Quantitative Reasoning 2
A rectangle has a length of 12 cm and a width of 7 cm.
What is its area?