Question : Directions: Select the triad in which the numbers are related in the same way as the numbers of the following triads.
14 – 15 – 145
12 – 27 – 195
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their 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.)
Option 1: 25 – 21 – 670
Option 2: 17 – 31 – 240
Option 3: 11 – 19 – 230
Option 4: 12 – 52 – 450
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Correct Answer: 17 – 31 – 240
Solution :
Given:
14 – 15 – 145; 12 – 27 – 195
In the given triads, multiply the sum of the first two numbers by 5 to get the third number.
(14 – 15 – 145)→(14 + 15) × 5 = 29 × 5 = 145
(12 – 27 – 195)→(12 + 27) × 5 = 39 × 5 = 195
Let's check the options –
First option:
25 – 21 – 670→(25 + 21) × 5 = 46 × 5 = 230 ≠ 670
Second option:
17 – 31 – 240→(17 + 31) × 5 = 48 × 5 = 240
Third option:
11 – 19 – 230→(11 + 19) × 5 = 30 × 5 = 150 ≠ 230
Fourth option:
12 – 52 – 450→(12 + 52) × 5 = 64 × 5 = 320 ≠ 450
So, only the second option follows the same pattern as followed by the given set of numbers. Hence, the second option is correct.
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