Number System
What should come in place of the question mark (?) in the given number series ? 888, 888, 444, 148, ?, 7.4

36
37
39
38

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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

4
16
8
None of these

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