How many ways the three digits number (XYZ) can be formed in the form XZ?
Pick one:
A) 540  B) 550  C) 554  D) 566  E) 576
take value of X Y Z in 0 -9   here value of x cant be 0 as its in cent place.   take value of x - 1 to 9   y -- 0 -9   z -- 0 - 9   now put x =1 y = 0 then z = 0 to 9 here we cant use 1 for y and 1 and 0 for z.   1 0 2, 10 3, 10 4, 105, 106, 107, 108, 109   so for x = 9 value possible and for z = 8 ---so total value possible are 72 and in y we can put different 8 values so answer is 9 * 8 * 8 == 64*9= 
<gadget id="calculator">64*9</gadget>
<output>576</output>
576   ANSW576R:576
<result>E</result>
How many ways the three digits number (XYZ) can be formed in the form XZ?