1.
In a box, there are 52 coins, consisting of quarters, nickels, and dimes with a total amount of $2.75. If the nickel were dimes, the dimes were quarters and the quarters were nickels; the total amount would be $3.75. How many quarters are there?

2.
A function wherein one variable is not yet readily expressed as function of another variable is said to be:

3.
Mary is 24. She is twice as old as Ann was when Mary was as old as Ann now. How old is Ann now?

4.
A pipe can fill a tank in 2 hours. A drain can empty a full tank in 6 hours. If the pipe runs with the drain open, how long will take to fill-up an empty tank?

5.
Q=25 when t=0. Q=75 when t=2. What is Q when t=6?

6.
A 50 meter cable is divided into two parts and formed into squares. If the sum of the areas is 100 sq. meter, find the difference in length?

7.
Give the factors of a^2-x^2

8.
What is the allowable error in measuring the edge of a cube that is intended to hold 8 cu.m, if the error of the compound volume is not to exceed 0.03m^3?

9.
A father is now 41 and his son 9. After how many years will his age be just triple his son’s age?

10.
Find the ratio of an infinite geometric series if the sum is 2 and the first term is ½

11.
The sum of two numbers is 21 and their product is 108. Find the sum of their reciprocals.

12.
It is the measure of relationship between two variables.

13.
It is the measure of relationship between two variables.

14.
A function wherein one variable is not yet readily expressed as function of another variable is said to be:

15.
In a club of 40 executives, 33 likes to smoke Marlboro and 20 like to smoke Philip Moris. How many like both?

16.
The sum of the coefficients in the expansion of (x+y-z)^8 is

17.
To compute for the value of the factorial, in symbolic form (n!) where n is a large number, we use a formula called

18.
Determine B such that 3x + 2y – 7 = 0 is perpendicular to 2x – By + 2 = 0

19.
It is a sequence of numbers such that successive terms differ by a constant