ISEE MATH 2 — Questions and Answers
Question 1: What is the value of 3/4 + 2/3?
- 17/12 (Correct answer)
- 5/7
- 6/12
- 5/12
Correct answer: 17/12
Convert to a common denominator of 12: 9/12 + 8/12 = 17/12.
Question 2: If a number is increased by 25% to become 80, what was the original number?
- 64 (Correct answer)
- 60
- 55
- 100
Correct answer: 64
80 ÷ 1.25 = 64, since 64 × 1.25 = 80.
Question 3: What is the area of a triangle with base 10 and height 6?
- 30 (Correct answer)
- 60
- 16
- 32
Correct answer: 30
Area = (1/2) × base × height = (1/2) × 10 × 6 = 30.
Question 4: Which number is a prime number?
- 29 (Correct answer)
- 21
- 27
- 33
Correct answer: 29
29 has no factors other than 1 and itself, while the others are divisible by 3.
Question 5: What is the value of 2^5?
- 32 (Correct answer)
- 10
- 25
- 16
Correct answer: 32
2 × 2 × 2 × 2 × 2 = 32.
Question 6: Solve for x: 5x - 7 = 18.
- 5 (Correct answer)
- 4
- 6
- 3.5
Correct answer: 5
Add 7 to get 5x = 25, then divide by 5 to get x = 5.
Question 7: What is the median of the set {4, 8, 15, 16, 23}?
- 15 (Correct answer)
- 16
- 13.2
- 8
Correct answer: 15
The middle value of the ordered five-number set is 15.
ISEE MATH 2
What is the value of 3/4 + 2/3?