Number Classification SSC CHSL Questions

Four number–pairs have been given, out of which three are alike in some manner and one is different. Select the one that is different.
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its 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)
37 : 152
61 : 248
39 : 160
53 : 208
SSC CHSL 2023-10.08.2023-2

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.
SSC CHSL 2023-10.08.2023-4

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 are the numbers in the following sets.
(NOTE: Operations should be performed on the whole number, without breaking down the number into its 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.)
(7, 336)
(9, 722)
SSC CHSL 2023-11.08.2023-1

Four number-pairs have been given, out of which three are alike in some manner and on is different. Select the one that is different.
(NOTE: Operations should be performed on the whole number, without breaking down the number into its 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.)
63:137
70:151
47:83
34:79
SSC CHSL 2023-11.08.2023-1

Select the set in which the numbers are related in the same way as are the numbers of the following sets.
(NOTE: Operations should be performed on the whole number, without breaking down the number into its 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.)
(9, 3, 90)
(5, 4, 41)
SSC CHSL 2023-11.08.2023-2

In the following number-pairs, the second number is obtained by applying certain mathematical operations to the first number. Select the options in which the numbers are related in the same way as are the numbers of the following pairs.
(NOTE: Operations should be performed on the whole number, without breaking down the number into its 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.)
9,74
5,18
SSC CHSL 2023-11.08.2023-2