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1. If x=2y =3z and xyz =36 , what is the value of z?
- A. 2
- B. 2
- C. 2
- D. 2
Answer: Option A
Explanation:
x = 2y = 3z
∴ x = 3z;
y = 3z/2
So, xyz = 36
⇒ 3z.3z/2.z = 36
⇒ 9z³ = 72
⇒ z³ = 8
⇒ z³ = 2³
∴z = 2
Post your comments here:
1. If x=2y =3z and xyz =36 , what is the value of z?
Answer: Option A
Explanation:
x = 2y = 3z
∴ x = 3z;
y = 3z/2
So, xyz = 36
⇒ 3z.3z/2.z = 36
⇒ 9z³ = 72
⇒ z³ = 8
⇒ z³ = 2³
∴z = 2
Post your comments here: