Math Quiz

Von can finish a job in 2 days, Azar can finish it in 3 days, and Glenn can do it in 6 days. How many days can they finish the job working together?

• 2

• 2.5

• 1

• 1.5

Find the values of x and y such that: (2x – 4) + 9i = 8 +3yi

• x=3; y=6

• x=6; y=3

• x=-3; y=-6

• x=-6; y=-3

A contractor estimates that he could finish a project in 15 days if he has 20 men. At the start, he hired 10 men then after 6 days, 10 more men are added. How many days was the project delayed?

• 2

• 3

• 4

• 5

Find the distance from point (5,6,7) to the origin.

• 7.49

• 8.49

• 9.49

• 10.49

An urn contains 12 marbles; 10 are red and 2 are white. You choose two marbles at random. What is the probability that the second marble is red if you know that the first marble is white?

• 0.0909

• 0.167

• 0.833

• 0.909

Azar throw a stone horizontally at a speed of 5.0 m/s from the top of a cliff that is 78.4 m high. How long does it take the stone to reach the bottom of the cliff?

• 2s

• 3s

• 4s

• 5s

Write the slope-intercept form of the equation of the line with slope 4 that passes through the point (-1,3).

• y = 4x + 7

• y = -4x + 7

• y = 4x - 7

• y = -4x - 7

A rectangle has its length equal to (5x + 2) millimeters, find its width if it has an area of (15x^2 – 29x -14) square millimeters.

• 3x +7

• 3x - 7

• -3x + 7

• -3x - 7

Determine the future amount of a Php1,500 for 6 months and 10 days if the rate of interest is 15%

using ordinary simple interest.

• Php1618.75

• Php1620.25

• Php1718.75

• Php1720.75

A Php15,000 was invested at 10% compounded monthly. What is its future worth after 5 years?

• Php24,119.36

• Php24,679.63

• Php23,786.12

• Php25,045.01