Select the option in which the numbers are related in the same way as are the numbers of the following set. (4, 7, 359)
(6, 8, 548)
The question asks us to identify the relationship between the numbers in the set (4, 7, 359) and find which of the given options follows the same relationship or pattern. We need to analyze the numbers 4, 7, and 359 to discover how they are connected.
Let's denote the first number as $A$, the second number as $B$, and the third number as $C$. In the set (4, 7, 359), we have $A=4$, $B=7$, and $C=359$. We need to find a rule or formula that connects $A$, $B$, and $C$.
Let's try some common mathematical operations involving $A$ and $B$ to see if we can arrive at $C$.
Now let's try combining these powers:
It appears the pattern or relation in the given set (4, 7, 359) is: The third number is the sum of the square of the first number and the cube of the second number.
Pattern: $C = A^2 + B^3$
Now we will apply this pattern ($A^2 + B^3 = C$) to each of the given options to see which one follows the same rule.
| Option | Set (A, B, C) | Calculation ($A^2 + B^3$) | Result | Matches C? |
|---|---|---|---|---|
| 1 | (6, 8, 548) | $6^2 + 8^3 = 36 + 512$ | 548 | Yes |
| 2 | (3, 2, 71) | $3^2 + 2^3 = 9 + 8$ | 17 | No (Expected 71) |
| 3 | (10, 3, 172) | $10^2 + 3^3 = 100 + 27$ | 127 | No (Expected 172) |
| 4 | (5, 4, 98) | $5^2 + 4^3 = 25 + 64$ | 89 | No (Expected 98) |
From the analysis above, only Option 1, (6, 8, 548), satisfies the identified pattern $A^2 + B^3 = C$, because $6^2 + 8^3 = 36 + 512 = 548$, which is equal to the third number in the set.
The numbers in the set (4, 7, 359) are related by the formula $A^2 + B^3 = C$. The option that shows the same relationship is (6, 8, 548).
| Concept | Description | Example (from question) |
|---|---|---|
| Number Analogy/Relation | Finding the mathematical rule connecting numbers in a set. | Discovering $(4, 7, 359)$ follows $A^2 + B^3 = C$. |
| First Number (A) | The first element in the set. | 4 in (4, 7, 359) |
| Second Number (B) | The second element in the set. | 7 in (4, 7, 359) |
| Third Number (C) | The third element in the set, result of the relation. | 359 in (4, 7, 359) |
Number patterns and analogies are common in reasoning questions. These questions test your ability to observe, identify rules, and apply them. The rules can involve various mathematical operations:
To solve such problems, it's helpful to systematically try different simple rules first before moving to more complex combinations of operations or powers. Calculating squares and cubes of small numbers can be very useful.
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