If x = y = 2z and xyz = 256, then x = ?
  • 12
  • 24
  • 38
  • 4None of these
Answer:- 1
Explanation:-

Solution:
xyz = 256 ⇒ (2z) (2z) z =256 ⇒ 4z3
=256 ⇒ z3 = 64 ⇒ z = 4
∴ x = 2z = (2 × 4) = 8

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