835, 734, 642, 751, 853, 981, 532 Choose the correct choice from the following answers:
A) 751	B) 853	C) 981	D) 532	E) None of these
Solution   In each number except 751,the difference of third and first digit is the middle one. 751nswer 751
<result>A</result>
835, 734, 642, 751, 853, 981, 532