# Are You A Math Whiz?       10 Questions - Developed by: - Developed on: - 5,625 taken - 4 people like it

## Find out how well you do in mathematics. Favorably for age 18 and above.

• 1
If ( X + Y )( X - Y) = K, where K is a positive whole number, which one of these statements is TRUE?
• 2
Suppose there is a circle inside a square and there is a smaller square inside the circle. What is the maximum ratio of (area of smaller square: area of bigger square)?
• 3
If {a + b + c = 1}, {b + c + d = 1}, {c + d + a = 1} and {d + a + b = 1}, with none of {a, b, c, d} being equal, what is the value of
{a + b + c + d}?

• 4
Suppose Jerry wants to create a password for his computer account. If the password must be 5 characters (3 numbers and 2 alphabets) in any order, any number cannot be repeated, any number must not be zero, and the alphabet can be in either upper or lower case, how many combinations of passwords can Jerry create?
• 5
What geometry is enclosed by graphs {y = 2x}, {y = -2x}, {y = 2x + log pi}, {y = -2x + log pi}?
• 6
What is the sum of all internal angles of convex octagon (in degrees)?

• 7
What is the first derivative of {2y ln(sin(2y))}?
• 8
Suppose Ben has a pool of balls containing 5 green balls and 4 yellow balls. Ben takes one ball at random, and takes the second one and then the third one, also at random. By assuming that he never returns any ball to the pool after taking, what is the probability that the color of the first-second-third ball is NOT alternating?
• 9
A right triangle has x, (2x-1), and (2x+1) as the sides. Calculate the perimeter of a rectangle which has 3x and (4x-3) as the sides.
• 10
When is 2^a is greater than a^2?