If x + y + z = 400 and x : y : z = 1 : 1 - CUETMOCK

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Home Questions VB3G933NDT

Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Topic

Ratios

Question:

If x + y + z = 400 and x : y : z = 1 : 1 : 2, then what is the value of z?

Options:

100

150

120

200

Correct Answer:

200

Explanation:

x + y + z = 400,

x : y : z = 1 : 1 : 2,

⇒ (1 + 1 + 2) units = 400,

⇒ 4x = 400

⇒ x = 100,

⇒ z = 2 x 100 = 200.

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