1.

Find the missing no. 4,13,31,58______

Answer» The answer is 94 because :--- The difference between 4 and 13 is 9. Then the difference between 13 and 31 is 18 . Then the difference between 31 and 58 is 27. As you can see the difference is a multiple of 9. So, the difference between the 58 and the required number will be 36. After adding 36 to 58, we get the number 94
94


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