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What should come in place of question mark (?) in the following number series? 38, 195, ?, 4905, 24530, 122655

Correct Answer: 980

Explanation:

The given series follows the pattern that,


 


×5+5,   ×5+5,   ×5+5,   ×5+5,   ×5+5


 


38 x 5 + 5  = 195


 


195 x 5 + 5 = 980


 


980 x 5 + 5 = 4905


 


4905 x 5 + 5 = 24530


 


24530 x 5 + 5 = 122655


 


So the missing number is 980 .


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