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 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: (137 – 142 – 147 )
Option 2: (117 – 122 – 129 )
Option 3: (103 – 108 – 113 )
Option 4: (131 – 136 – 141 )
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Correct Answer: (117 – 122 – 129 )
Solution :
Let's check the options –
First option:
(137 – 142 – 147 ); 137 + 5 = 142; 142 + 5 = 147
Second option:
(117 – 122 – 129 ); 117 + 5 = 122; 122 + 7 = 129
Third option:
(103 – 108 – 113 );103 + 5 = 108; 108 + 5 = 113
Fourth option:
(131 – 136 – 141 );131 + 5 = 136; 136 + 5 = 141
So, the second option is different from the other three options as here the difference between the second and third numbers is 7 instead of 5. Hence, the second option is correct.
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