Study the given pattern carefully and select the number that can replace the question mark (?) in it. \(\begin{array}{} {25}&{40}&{10}\\ {81}&9&9\\ ?&{16}&8 \end{array}\)
32
The question asks us to identify the pattern in the given matrix of numbers and use it to find the missing number represented by the question mark (?). Let's look at the numbers in each row:
| Row | Column 1 (A) | Column 2 (B) | Column 3 (C) |
|---|---|---|---|
| 1 | 25 | 40 | 10 |
| 2 | 81 | 9 | 9 |
| 3 | ? | 16 | 8 |
We need to find a consistent relationship between the numbers in the columns (A, B, and C) that applies to all rows.
Let's examine the relationship between the second number (B) and the third number (C) and how they might relate to the first number (A) in each row.
Let's try to find a mathematical operation involving B and C that results in A.
Consider the relationship between B, C, and A:
Let's look closely at the divisors in Pattern Attempt 2: 16 (for Row 1) and 1 (for Row 2). How can we get 16 from B=40, C=10 and 1 from B=9, C=9?
This suggests the divisor k might be \((B/C)^2\). Let's formulate the pattern:
The pattern is: The first number (A) is equal to the product of the second number (B) and the third number (C), divided by the square of the ratio of the second number (B) to the third number (C).
In mathematical terms:
\(A = \frac{B \times C}{(B/C)^2}\)
The pattern \(A = \frac{B \times C}{(B/C)^2}\) holds true for both given rows.
Alternatively, we can simplify the pattern formula:
\(A = \frac{B \times C}{(B^2/C^2)} = (B \times C) \times \frac{C^2}{B^2} = \frac{B \times C^3}{B^2} = \frac{C^3}{B}\)
Let's verify the simplified pattern \(A = C^3 / B\):
The simplified pattern \(A = C^3 / B\) is also consistent.
Now, we apply this pattern to Row 3 to find the missing number (?). In Row 3, B=16 and C=8. Let A be the missing number.
Using the pattern \(A = C^3 / B\):
\(A = 8^3 / 16\)
\(A = (8 \times 8 \times 8) / 16\)
\(A = (64 \times 8) / 16\)
\(A = 512 / 16\)
Performing the division:
\(512 \div 16\)
\(512 = 32 \times 16\)
So, \(A = 32\).
The missing number in the pattern is 32.
The pattern in the matrix is that the first number in each row is obtained by cubing the third number and then dividing the result by the second number (\(A = C^3 / B\)). Applying this pattern to the third row gives us the missing number.
| Row | Numbers (A, B, C) | Calculation \(C^3 / B\) | Result (A) | Matches? |
|---|---|---|---|---|
| 1 | 25, 40, 10 | \(10^3 / 40 = 1000 / 40\) | 25 | Yes |
| 2 | 81, 9, 9 | \(9^3 / 9 = 729 / 9\) | 81 | Yes |
| 3 | ?, 16, 8 | \(8^3 / 16 = 512 / 16\) | 32 | Calculation shows 32 |
Number pattern puzzles like this one test your logical reasoning and pattern recognition skills. They can involve various mathematical operations and relationships between numbers. Common types of patterns include:
Solving these puzzles often requires examining differences, ratios, sums, products, and other mathematical relationships between the numbers provided to find a rule that applies consistently.
Study the given pattern carefully and select the number that can replace the question mark (?) in it.
| 5 | 7 | 100 |
| 8 | 9 | 181 |
| 11 | 10 | ? |
Study the given pattern carefully and select the number that can replace the question mark (?) in it.
| 18 | 21 | 12 |
| 7 | 15 | 11 |
| 175 | 540 | ? |
Study the given pattern carefully and select the number that can replace the question mark (?) in it.
| 125 | 25 | 10 |
| 216 | 49 | 13 |
| 27 | 121 | ? |
Study the given pattern carefully and select the number that can replace the question mark (?) in it.
| 11 | 29 | 22 |
| 17 | 23 | ? |
| 112 | 208 | 156 |
Study the given pattern carefully and select the number that can replace the question mark (?) in it?
\(\begin{array}{*{20}{c}} 9&4&?\\ 5&8&5\\ {28}&{24}&{42} \end{array}\)
Select the option that can replace the question mark (?) in the second row.
Row1: 5, 6, 2, 4, 81
Row2: 1, 3, 2, 4, ?
Row3: 2, 3, 1, 5, 39
Study the given pattern carefully and select the number that can replace the question mark (?) in it?
\(\begin{array}{*{20}{c}} {16}&{36}&{81}\\ {50}&{42}&{60}\\ {29}&{27}&? \end{array}\)
Study the given pattern carefully and select the number that can replace the question mark (?) in it?
\(\begin{array}{*{20}{c}} {27}&{30}&{40}\\ {15}&{14}&{22}\\ {36}&{64}&? \end{array}\)
Study the given pattern carefully and select the number that can replace the question mark (?) in it.
| 8 | 9 | 73 |
| 11 | 25 | ? |
| 7 | 14 | 63 |
Study the given pattern carefully and select the number that can replace the question mark (?) in it.
| 121 | 64 | 144 |
| 27 | ? | 8 |
| 14 | 12 | 14 |
Study the given pattern carefully and select the number that can replace the question mark (?) in it.
| 16 | 295 | 19 |
| 9 | 144 | 17 |
| 26 | ? | 16 |
Study the given pattern carefully and select the number that can replace the question mark (?) in it.
57 | 28 | 29 |
68 | ? | 33 |
72 | 37 | 35 |
Study the given pattern carefully and select the number that can replace the question mark (?) in it.
| 13 | 26 | 39 |
| 30 | 42 | ? |
| 17 | 16 | 15 |
Find the missing number from the below options.
| 12 | 16 | 18 |
| 24 | 32 | ? |
| 36 | 48 | 54 |
Study the given pattern carefully and select the number that can replace the question mark (?) in it.
| 64 | 12 | 27 |
| 216 | ? | 343 |
| 512 | 40 | 125 |