question_answer

If 2 is added to each odd digit and 4 is subtracted from each even digit in the number 5384176 and the new number thus formed is arranged in ascending order from left to right then how many digits will appear exactly in the same place as in the original number given in the question?

A)  More than three

B)  None   

C)  One                

D)         Two                

E)  Three

Correct Answer: D

Solution :

Given number Now, all digits are arranged in ascending order from left to right. Hence there are only two digits 4 and 7 that that remain at the same place,