# Important MCQs Variations Class 10 – 1

The post is about Multiple Choice Questions about Variations Class 10 from Chapter 3. There are 20 MCQs from Class 10 mathematics Chapter 3. Let us start with the quiz.

Online Multiple Choice Questions about Variations from Chapter 3 of Class 10 Mathematics

1. Newton’s law of Gravitation is an example of

2. If $\frac{u}{v} = \frac{v}{2}=k$ then

3. The fourth proportional $w$ of $x:y::v:w$ is

4. In a proportion $a:b::c:d$, $a$ and $d$ are called

5. If $\frac{5a}{3x} = \frac{15b}{y}$ then $ay=$ ———-.

6. In continued proportion $a:b=b:c$, $c$ is said to be —— proportional to $a$ and $b$.

7. In continued proportion $a:b=b:c$, $ac=b^2$, $b$ is said to be ——— proportional.

8. Find $x$ in proportion $4:x::5:15$

9. the relation between radius and circumference of a circle is an example of

10. If $a:b=x:y$ then alternate is

11. If $y^2 \propto \frac{1}{x^3}$ then

12. If $\frac{a}{b}=\frac{c}{d}$ then components property is

13. In a ratio $x:y$, $y$ is called

14. In a ratio $a:b$, $a$ is called

15. The third proportional of $x^2$ and $y^2$ is

16. In a proportion $a:b::c:d$, $b$ and $c$ are called

17. If $\frac{24}{7}=\frac{6}{x}$ then $4x=$ ———.

18. If $u \propto v^2$ then

19. The simplest form of the ratio $\frac{(x+y)(x^2+xy+y^2)}{x^3-y^3}$ is

20. If $a:b=x:y$ then inverted property is

### MCQs Variations Class 10 Mathematics

• In a ratio $a:b$, $a$ is called
• In a ratio $x:y$, $y$ is called
• In a proportion $a:b::c:d$, $a$ and $d$ are called
• In a proportion $a:b::c:d$, $b$ and $c$ are called
• In continued proportion $a:b=b:c$, $ac=b^2$, $b$ is said to be ——— proportional.
• In continued proportion $a:b=b:c$, $c$ is said to be —— proportional to $a$ and $b$.
• Find $x$ in proportion $4:x::5:15$
• If $u \propto v^2$ then
• If $y^2 \propto \frac{1}{x^3}$ then
• If $\frac{u}{v} = \frac{v}{2}=k$ then
• The third proportional of $x^2$ and $y^2$ is
• The fourth proportional $w$ of $x:y::v:w$ is
• If $a:b=x:y$ then alternate is
• If $a:b=x:y$ then inverted property is
• If $\frac{a}{b}=\frac{c}{d}$ then components property is
• The simplest form of the ratio $\frac{(x+y)(x^2+xy+y^2)}{x^3-y^3}$ is
• Newton’s law of Gravitation is an example of
• the relation between radius and circumference of a circle is an example of
• If $\frac{24}{7}=\frac{6}{x}$ then $4x=$ ———.
• If $\frac{5a}{3x} = \frac{15b}{y}$ then $ay=$ ———-.

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