Download App

Simple Equations — MATHS STD 7 — Question

Gujarat BoardEnglish MediumSTD 7MATHSSimple Equations1 Mark
MCQ
The solution of the equation $7n + 5 = 12$ is:
  • A
    $0$
  • B
    $-1$
  • ✓
    $1$
  • D
    $5$
✓

Answer

Correct option: C.
$1$

$ 7n + 5 = 12$
$\Rightarrow 7n = 12 - 5$
$\Rightarrow 7n = 7$
$\Rightarrow \text{n}= \frac{7}{7}$
$= 1$

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

Explore more

More "M.C.Q. [1 Marks Each]" from Simple Equations→Simple Equations — all question types→MATHS STD 7 question papers→Gujarat Board STD 7 question papers→Gujarat Board question paper generator→

Similar questions

Side opposite to the vertex $\text{Q}$ of $\triangle\text{PQR}$ is.
→
Mark $(\checkmark)$ against the correct answer in the following:
$\frac{-9}{14}+?=-1$
→
Mark against the correct answer in the following:
Thrice a number when increased by $6$ gives $24.$ The number is:
→
Number of sides of equation in simple equation is/ are:
→
The solution of the equation $7 m+5=12$ is
→
If $2x = 3y$ and $4y = 5z$, then $x : z =$
→
Which of the following has only $2$ lines of symmetry?
→
The number for the number name ‘Five crore five lakh six thousand seventy’ is-
→
$0.05$ is equal to.
→
Mark $(\checkmark)$ against the correct answer in the following: If the cost price of $4$ toffees be equal to the selling price of $3$ toffees, then the gain$\%$ is:
→