Question : Directions: Four number pairs have been given. Out of which three are alike in some manner and one is different. Select a different one.
(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: 14 : 210
Option 2: 25 : 650
Option 3: 11 : 132
Option 4: 19 : 342
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Correct Answer: 19 : 342
Solution :
Let's check the options –
First option:
14 : 210→210 ÷ 14 = 15→(14 + 1)
Second option:
25 : 650→650 ÷ 25 = 26→(25 + 1)
Third option:
11 : 132→132 ÷ 11 = 12→(11 + 1)
Fourth option:
19 : 342→342 ÷ 19 = 18→(19 – 1)
So, the fourth option is different as on dividing the second number by the first number the resultant should be one more than the first number but in the fourth option, it is one less than the first number. Hence, the fourth option is correct.
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