The Mathlete’s Challenge: 20 Questions on Mathematical Concepts
Question 1
What is the value of π (pi) to two decimal places?
- A) 3.14
- B) 2.71
- C) 1.62
Question 2
What is the name of a polygon with eight sides?
- A) Hexagon
- B) Octagon
- C) Decagon
Question 3
What is the square root of 144?
- A) 10
- B) 12
- C) 14
Question 4
Which of the following is a prime number?
- A) 21
- B) 29
- C) 35
Question 5
What is the result of the expression 2^3?
- A) 6
- B) 8
- C) 9
Question 6
What is the derivative of the function f(x) = x^2?
- A) 2x
- B) x
- C) 2x^2
Question 7
What is the common ratio in the geometric sequence 3, 6, 12, 24…?
- A) 2
- B) 3
- C) 4
Question 8
What is the sum of the angles in a triangle?
- A) 180 degrees
- B) 360 degrees
- C) 90 degrees
Question 9
What is the next number in the Fibonacci sequence: 0, 1, 1, 2, 3, 5, 8, …?
- A) 11
- B) 13
- C) 15
Question 10
What is the greatest common divisor (GCD) of 48 and 64?
- A) 16
- B) 32
- C) 8
Question 11
What is the area of a circle with a radius of 4 units?
- A) 16π square units
- B) 32π square units
- C) 64π square units
Question 12
What is the value of the expression 5! (5 factorial)?
- A) 120
- B) 60
- C) 24
Question 13
What is the slope of the line represented by the equation y = 2x + 3?
- A) 2
- B) 3
- C) -2
Question 14
What is the name of the theorem that states the square of the hypotenuse is equal to the sum of the squares of the other two sides in a right triangle?
- A) Pythagorean Theorem
- B) Fermat’s Last Theorem
- C) Euclid’s Theorem
Question 15
What is the probability of rolling a total of 7 with two six-sided dice?
- A) 1/6
- B) 1/12
- C) 1/18
Question 16
What is the logarithm base 10 of 1000?
- A) 2
- B) 3
- C) 4
Question 17
What is the inverse function of f(x) = 3x + 2?
- A) f^-1(x) = (x – 2) / 3
- B) f^-1(x) = (x + 2) / 3
- C) f^-1(x) = 3x – 2
Question 18
What is the sum of the first 100 positive integers?
- A) 4950
- B) 5000
- C) 5050
Question 19
What is the standard form of the quadratic equation?
- A) ax^2 + bx + c = 0
- B) ax^3 + bx^2 + cx + d = 0
- C) ax + by = c
Question 20
What is the name of the sequence where each term is the sum of the two preceding ones?
- A) Arithmetic sequence
- B) Geometric sequence
- C) Fibonacci sequence
