MCQ
If a = b then ax = ...........
  • A
    b + x
  • B
    bx
  • C
    b - x
  • D
    b ÷ x

Answer

  1. bx

Solution:

Given, a = b Multiplying both sides by x.

ax = bx.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The radius of a sphere is measured to be $20 \,cm$ with a possible error of $0.02$ of a $cm$. The consequent error in the surface of the sphere is ....... $sq \,cm$
Let $f(x) = \sin x$ and $g(x) = \ln |x|$. If the ranges of the composite functions $fog$ and $gof$ are ${R_1}$ and ${R_2}$ respectively, then
$\int_{}^{} {{e^{{{\cos }^2}x}}\sin 2x\;dx = } $
The value of $\int_2^3 {\frac{{x + 1}}{{{x^2}(x - 1)}}dx} $ is
Number of value of $'a'$ for which the system of equations,$A^2 x + (2 - a) y = 4 + a^2$ $a x + (2 a - 1) y = a^5 - 2$ possess no solution is
$\int_{}^{} {\sqrt {\frac{{\cos x - {{\cos }^3}x}}{{1 - {{\cos }^3}x}}} \;dx} $ is equal to
If $y = a\log |x| + b{x^2} + x$ has its extremum values at $x = - 1$ and $x = 2$, then
$\int\limits_1^e {\left( {(x + 1} \right).{e^x}\ln x} )dx\, = $
Let $\vec{a}=2 \hat i-\hat{\mathrm{j}}+2 \hat{\mathrm{k}}$ and $\overrightarrow{\mathrm{b}}=\hat{\mathrm{i}}+2 \hat{\mathrm{j}}-\hat{\mathrm{k}}$. Let a vector $\overrightarrow{\mathrm{v}}$ be in the plane containing $\overrightarrow{\mathrm{a}}$ and $\overrightarrow{\mathrm{b}}$. If $\overrightarrow{\mathrm{v}}$ is perpendicular to the vector $3 \hat{\mathrm{i}}+2 \hat{\mathrm{j}}-\hat{\mathrm{k}}$ and its projection on $\vec{a}$ is $19\, units,$ then $|2 \vec{v}|^{2}$ is equal to .... .
The radius of a cylinder is increasing at the rate of  $5\ cm/min$, so that its volume is constant. When its radius is $5\ cm$ and height is $3\ cm$,  then the rate of decreases of its height is .......... $cm/min$.