Three simple Puzzles in Math
Not what you're looking for?
Questions A
What is the 4 digit number -
1 - One of the numbers is 1
2 - The number the hundred's place is 3 times the number in thousand's place
3 - The number in one's place is 4 times the number in the ten's place
4 - Finally he said the number 2 is sitting in the thousand's place.
What is the number? (I have 2,614 or should it be 4.162)
Question B
I have two numbers. Their greatest common factor is 6. The least common multiple is 36. One number is 12.
What is the other number? (I have 6)
Question C
X -> multiply by 308 -> multiply by 0.10 -> divide by 3 = 462
What is X? (I have 45)
Please show all work.
Thanks
Purchase this Solution
Solution Summary
(1) Let the number be abcd ...
(2) For any two positive numbers a and b, we have the relation ...
(3) Number is x ...
Solution Preview
(1) Let the number be abcd. [Here, d = units digit, c = tens digit, b = hundreds digit, a = thousands digit]
By data, b = 3a, d = 4c and a = 2
Since a = 2, b = 3(2) = 6
Thus, we know a and b. There are two unknowns c and d.
By data, one of ...
Purchase this Solution
Free BrainMass Quizzes
Multiplying Complex Numbers
This is a short quiz to check your understanding of multiplication of complex numbers in rectangular form.
Know Your Linear Equations
Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.
Graphs and Functions
This quiz helps you easily identify a function and test your understanding of ranges, domains , function inverses and transformations.
Exponential Expressions
In this quiz, you will have a chance to practice basic terminology of exponential expressions and how to evaluate them.
Geometry - Real Life Application Problems
Understanding of how geometry applies to in real-world contexts