EASY CATEGORY
What is the value of x in the equation 2x+3=11 ?
X = 4
What is the sum of the first 20 positive integers?
210
A regular hexagon is inscribed in a circle of radius 10. What is the perimeter of the hexagon?
60 units
Who is known for his development of the theory of general relativity, which revolutionized our understanding of gravitation?
Albert Einstein
Simplify the expression 5x − 3x + 7
2x + 7
How many distinct ways can you arrange the letters in the word "MATH"?
24
Find the greatest common divisor (GCD) of 210 and 294.
42
If the mean of five numbers is 12 and one of the numbers is 18, what is the mean of the remaining four numbers?
10.5
In a right triangle, if one angle is 90°, what is the sum of the other two angles?
90°
What is the mean of the numbers 4, 8, 10, 12,16, 18 and 20?
12.57
The mean of a dataset is 20, and the variance is 9. What is the standard deviation of the dataset?
3
What is the largest prime number less than 120?
113
What is the derivative of f(x)= x3 + 2x2 − x
f′(x)= 3x2 + 4x − 1
Which mathematician is known as the "father of modern calculus" and co-developed calculus independently with Isaac Newton?
Gottfried Wilhelm Leibniz
What is the area of a rectangle with length 13 units and width 9 units?
117 square units
A jar contains 3 red marbles, 5 blue marbles, and 2 green marbles. If one marble is randomly selected, what is the probability it is blue?
1/2
This ancient Greek mathematician is known for his work in geometry, particularly for his contributions to the theory of proportions and his famous work "Elements." Who is he?
Euclid