Mathematics

1.     What is the value of Roman numeral XXIV?

2.     Calculate 18*16 using duplation and mediation.

3.     Calculate 15*12 using lattice multiplication.

4.     Determine the gcd (greatest common divisor) of 45 and 50.

5.     Determine the lcm (least common multiple) of 12 and 16.

6.     Calculate  1/3 + 1/4

7.     Calculate 1 + 2 + 3 + ….+ 40 (arithmetic sequence)

8.     For geometric sequence 1, 2, 4, 8 …, what is the value of its 10th term?

9.     Express   as a quotient of integers.

10.   Solve 2x -9 = 11

11.   Solve for y: 2x + 4y – 10 = 0

12.   What is the slope for line 2x + 5y = 10?

13.   What is the x- intercept for line 2x + 5y = 10?

14.   Solve 2×2 + 3x + 1 = 0

15.   A person’s body mass index (BMI) is found by the formula B = 703w/h2, where w is the person’s weight

in pounds, and h is the person’s height in inches. Someone is 5’10” (70 inches) and weighs 190, what is his

BMI (calculate to two decimal points)?

16.  What is the measure of the internal angle for a regular pentagon?

17.  For a cone where its radius = 2, height = 3, what is its volume? Using π = 3.14

18.  A certain polyhedron has 8 vertices and 6 faces, how many edges does it have?

19.  For a right triangle, if the lengths of the two legs are 6 and 8, what the length of the hypotenuse?

20.  For a room (rectangle) 25 ft long and 10 ft wide, what is its area?

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