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1. If (x + 3)2 = 225, Which of the following can be the value of x-1?

  • A. 13
  • B. 13
  • C. 13
  • D. 13

Answer: Option A

Explanation:

(x+3)^2=225

or, x+3=15

or, x=15-3=12

So, 

x-1

=12-1

=11

(ans)


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