Question:
Identify the missing number and mark the answer in the OMR sheet.
2 5 7
4 7 5
3 6 ?
Identify the missing number and mark the answer in the OMR sheet.
2 5 7
4 7 5
3 6 ?
2 5 7
4 7 5
3 6 ?
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In such number series questions, identify the relationship or pattern between numbers in rows and columns. In this case, it involved alternating addition and subtraction of 2.
Updated On: Mar 23, 2026
- 2
- 3
- 4
- 5
- 6
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The Correct Option is B
Solution and Explanation
Step 1: Identify the pattern.
Looking at the first column: - 2, 4, 3. The difference between 4 and 2 is +2, and the difference between 3 and 4 is -1.
Looking at the second column: - 5, 7, 6. The difference between 7 and 5 is +2, and the difference between 6 and 7 is -1.
Looking at the third column: - 7, 5, ?. The difference between 5 and 7 is -2, so continuing the pattern, the missing number should be \( 5 - 2 = 3 \).
Step 2: Conclusion.
The correct answer is (B) 3, as it follows the established pattern in each column.
Looking at the first column: - 2, 4, 3. The difference between 4 and 2 is +2, and the difference between 3 and 4 is -1.
Looking at the second column: - 5, 7, 6. The difference between 7 and 5 is +2, and the difference between 6 and 7 is -1.
Looking at the third column: - 7, 5, ?. The difference between 5 and 7 is -2, so continuing the pattern, the missing number should be \( 5 - 2 = 3 \).
Step 2: Conclusion.
The correct answer is (B) 3, as it follows the established pattern in each column.
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