Class 10 math Practice Tests

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The MCQ *If x ∝ y² then*: x = y², x = ky², xy² = 1 and xy² = k with "Joint Variation" App Download (Free) to study online certification courses. Solve ratio, proportions and variations quiz questions, download Google eBook (Free Sample) for school certificate.

**MCQ 1**: If x ∝ y² then

A) x = y²

B) x = ky²

C) xy² = 1

D) xy² = k

b

**MCQ 2**: If u²∝1 ⁄ v³ then the value of u² should be

A) k ⁄ v³

B) 1 ⁄ v³

C) v²

D) kv³

a

**MCQ 3**: A combination of direct and inverse variations of one or more than one variables is known as

A) direct variation

B) inverse variation

C) joint variation

D) complex variation

c

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