Question : Directions: Select the odd group of numbers. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g.13, operations can be performed on 13, such as adding/subtracting/multiplying, etc., to 13. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)
Option 1: (92 – 72 – 52)
Option 2: (76 – 56 – 36)
Option 3: (98 – 78 – 56)
Option 4: (88 – 68 – 48)
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Correct Answer: (98 – 78 – 56)
Solution : Let's check each option –
First option:
(92 – 72 – 52)→92 – 20 = 72; 72 – 20 = 52
Second option:
(76 – 56 – 36)→76 – 20 = 56; 56 – 20 = 36
Third option:
(98 – 78 – 56)→98 – 20 = 78; 78 – 20 = 58 ≠ 56
Fourth option:
(88 – 68 –48)→88 – 20 = 68; 68 – 20 = 48
So, only the third option doesn't follow the pattern. Hence, the third option is correct.
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