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KVPY2017MathematicsSets and Relations

The number of positive integers n in the set 2,3, ., 200 such that 1 n has a terminating decimal expansion is

Options

  1. A16
  2. B18
  3. C40
  4. D100

Correct answer

B. 18

Step-by-step solution

The numbers will be array l 2,4,8,16,32,64,128 5,25,125 10,20,40,50,80,100,160,200 array

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