Virtual Engineering Quiz Bee (Mathematics)

If W is an odd number and Z is an even number, which of the following expressions must be even?

• W + Z

• W - Z

• WZ

• W/Z

• None of the Above

If 1/a : 1/b : 1/c = 2 : 3 : 4, 

then (a + b + c) : (b + c) is equal to:

answer format:

1/1:1/1

Which of the following cannot be used as a base of a system of logarithm?

• e

• 10

• 2

• 1

• None of the Above

A man is 41 years old and in seven years he will be four times as old as his son at that time. How old is his son now?

• 9

• 4

• 5

• 8

• None of the Above

Which of the following is not a property of a Binomial Expansion of (x + y)ⁿ ?

• The number of terms in the resulting expansion is equal to n

• The sum of the exponents of each term is equal to n

• The coefficient increases and then decreases in a symmetric pattern

• The exponent of x decreases by 1 in succeeding terms, while that exponent of y increases by 1 in succeeding terms

• None of the Above

The sequence 2, 1, 3, 4, 7, 11, 18, 29, 47, 76, 123… is called?

• Fibonacci sequence

• Lucas sequence

• Kolakoski sequence

• Sylvester’s sequence

• Pascal Triangle

Find each interior angle of a hexagon

• 90 degrees

• 120 degrees

• 150 degrees

• 180 degrees

• 210 degrees

A cube is also called?

• Square prism

• Regular hexahedron

• Rubik’s Prism

• Quadrilateral prism

• Square with 6 sides

Which of the following is a prime number?

• 977

• 973

• 237

• 1

• None of the Above

The number 0.123123123123123…. is

• Irrational

• Surd

• Rational

• Transcendental

• None of the Above