if x and y are the number of possibilities that I can assume such that the unit digit of a and a cube are same and unit digit of a square and a cube are same respectively then the value of x minus y is where is a single digit number
options are-:
(1) 4 (2)2 (3)3 (4)5
Answers
Answered by
4
(2)2 is a right answer
parasgaira:
but how?
Answered by
0
Answer:
The answer is a option B
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