Number System
If (72)² is subtracted from the square of a number, the answer thus obtained is 4617. What is the number ?

99
103
92
95

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Number System
The difference between a two-digit number and the number obtained by interchanging the digit is 36. What is the difference between the sum and the difference of the digits of the number if the ratio b

8
4
16
None of these

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