835, 734, 642, 751, 853, 981, 532
835, 734, 642, 751, 853, 981, 532 সঠিক উত্তর 751
In each number except 751, the difference of third and first digit is the middle one.835, 734, 642, 751, 853, 981, 532 সঠিক উত্তর 751
In each number except 751, the difference of third and first digit is the middle one.