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In the following number-pairs, the second number is obtained by applying certain mathematical operations to the first number. Select the set in which the numbers are related in the same way as are the numbers of the following sets. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 тАУ 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.) 37.4, 34.6 45, 42.2
32.9, 29.1
69, 66.2
21.5, 17.7
58, 56.2
69, 66.2
Find the difference between the two numbers in the given pairs. If the difference is constant across sets, apply it to the options.
Find the difference between the two numbers in the given pairs. If the difference is constant across sets, apply it to the options.
Analyze First Given Pair
For the first pair (37.4, 34.6), subtract the second number from the first: 37.4 - 34.6 = 2.8. The second number is obtained by subtracting 2.8 from the first number.
Verify Second Given Pair
For the second pair (45, 42.2), check the difference: 45 - 42.2 = 2.8. The rule is consistently First Number - 2.8 = Second Number.
Test Option B
For Option B (69, 66.2), calculate the difference: 69 - 66.2 = 2.8. This matches the exact operational pattern of the given sets.
A: 32.9 - 29.1 = 3.8, which does not equal 2.8. C: 21.5 - 17.7 = 3.8, which does not equal 2.8. D: 58 - 56.2 = 1.8, which does not equal 2.8.
B is correct because the second number in the set is obtained by subtracting 2.8 from the first number, and 69 - 66.2 equals 2.8.
Always check for simple arithmetic differences (addition or subtraction) between terms before looking for multiplication or division rules in number-pair analogy questions.
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