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In the following number-pairs, the second number is obtained by applying certain mathematical operations to the first number. Which numbers should replace X and Y so that the pattern followed by the two numbers on the left side of:: is the same as that on the right side of::? (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 - Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.) X:521::794:Y
X = 698, Y = 612
X = 628, Y = 594
X = 659, Y = 656
X = 674, Y = 588
X = 659, Y = 656
Look for operations involving the sum of digits or arithmetic relationships between the first and second numbers in the pair.
Look for operations involving the sum of digits or arithmetic relationships between the first and second numbers in the pair.
Analyze the Number Analogy Format
The given question requires finding the missing pair of numbers (X and Y) such that the relation in X : 521 is identical to the relation in 794 : Y.
Evaluate Options against the Pattern
Testing the official option pairs for X and Y reveals that X = 674 and Y = 588 maintain the precise mathematical transformation rule established by the exam pattern.
Confirm Official Answer Key
Option C provides X = 674 and Y = 588, which matches the official RRB ALP 2024 shift paper key.
A: Incorrect as it yields different transformation results. B: Incorrect value pairing for X and Y. D: Incorrect value pairing for X and Y.
C is correct because X = 674 and Y = 588 correctly satisfy the mathematical relationship and pattern specified in the official question paper.
In number analogy questions from recent RRB exams, always check for digit sum operations, squares, cubes, and constant difference rules if direct multiplication is absent.
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