Questions

Assertion (A) & Reason (B) MCQ

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3 questions · timed · auto-graded

Question 11 Mark
Assertion (A) : If $\frac{x}{y}=\frac{a}{b}$, then $\frac{x+a}{y+b}=\frac{x-a}{y-b}$
Reason (R) : If $\frac{a}{b}=\frac{c}{d}$, then using componendo and dividendo, we get $\frac{a+b}{a-b}=\frac{c+d}{c-d}$.
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Question 21 Mark
Assertion (A) : If $\frac{a}{b}=\frac{c}{d}=m$, then $\frac{a+c}{b+d}=m$.
Reason (R) : If for four numbers $a, b, c, d, a: b=c: d$, then $a b=c d$.
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Question 31 Mark
Assertion (A) : If $a: b:: b: c$, then $b$ is called the mean proportion between $a$ and $c$.
Reason (R) : If $a: b:: b: c$, then $a, b, c$, are said to be in continued proportion.
Answer
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Assertion (A) & Reason (B) MCQ - Mathematics STD 10 Questions - Vidyadip