A company assigns product codes consisting of all the letters in the alphabet.How many product codes are possible if the company uses at most 2 letters in its codes, and all letters can be repeated in any one code? Choices:
A) A.702 B) B.16226 C) C.17576 D) D.18278 E) E.28572
The no of ways in which the company can make codes of 1 letter : 26   # for 2 letters :   26*26= 
<gadget id="calculator">  26*26</gadget>
<output>676</output>
676   The total : By adding all of them , 676+26= 702   A.702.
<result>A</result>
A company assigns product codes consisting of all the letters in the alphabet.How many product codes are possible if the company uses at most 2 letters in its codes, and all letters can be repeated in any one code?