Question : Directions: The second number in the given number pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) are followed in all the number pairs except one. Find that odd number pair. (NOTE: Operations should be performed on 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: 31 : 215
Option 2: 29 : 201
Option 3: 21 : 145
Option 4: 25 : 177
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Correct Answer: 25 : 177
Solution : Let's check the options –
First option: 31 : 215→(31 × 7) – 2 = 217 – 2 = 215 Second option: 29 : 201→(29 × 7) – 2 = 203 – 2 = 201 Third option: 21 : 145→(21 × 7) – 2 = 147 – 2 = 145 Fourth option: 25 : 177→(25 × 7) – 2 = 175 – 2 = 173 ≠ 177
So, only the fourth option doesn't follow the same pattern as followed by the given set of numbers. Hence, the fourth option is correct.
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Option 1: 21 : 100
Option 2: 19 : 88
Option 3: 13 : 64
Option 4: 17 : 80
Option 1: 32 : 99
Option 2: 42 :123
Option 3: 24 : 75
Option 4: 64 : 195
Question : Directions: In the following number pairs, the second number is obtained by applying certain mathematical operations on the first number. Select the option in which the numbers are related in the same way as the numbers of the following pairs. (16, 107); (12, 79) (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: (8, 92)
Option 2: (11, 61)
Option 3: (9, 58)
Option 4: (15, 94)
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: 16 : 90
Option 2: 41 : 240
Option 3: 21 : 120
Option 4: 32 : 201
Question : Directions: In the following number pairs, the second number is obtained by applying certain mathematical operations to the first number. Select the option in which the numbers are related in the same way as the numbers of the following pairs. (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.) 12, 57 16, 77
Option 1: 11, 49
Option 2: 4, 14
Option 3: 8, 37
Option 4: 21, 106
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