Linear Equations MCQs with Answers

Solve: If $x + y = 10$ and $x - y = 2$, then $x =$ ?

• A.$4$
• B.$6$
• C.$8$
• D.$5$

Past Paper MCQ

The sum of five consecutive even numbers of set $x$ is $440$. Find the sum of a different set of five consecutive integers whose second least number is $121$ less than double the least number of set $x$.

• A.$230$
• B.$260$
• C.$250$
• D.$240$

If $23m = 69$, then $m =$ ?

• A.$4$
• B.$2$
• C.$3$
• D.$5$

What is the value of $x$ in $3x - 15 - 6 = 0$?

• A.$5$
• B.$7$
• C.$9$
• D.$3$

Solve: $\frac{x}{12} = -3$. Find $x$.

• A.$-36$
• B.$36$
• C.$-4$
• D.$4$

If $a = 5$ and $b = 7$, then is $2 - a + 2 < b - 1$?

• A.True
• B.False
• C.Cannot be determined
• D.None of these

Simplify: $6 - 3(2x + 4) = 0$. Find the value of $x$.

• A.$-1$
• B.$1$
• C.$-2$
• D.$2$

If $m - n = 5$ and $2m + 3n = 15$, then $m + n =$ _?

• A.$5$
• B.$7$
• C.$9$
• D.$11$

In a class, 20 children were sharing equally the cost of a present for their teacher. When 4 of the children decided not to contribute, each of the other children had to pay $1.50 more. How much, in dollars, did the present cost?

• A.$\$90$
• B.$\$120$
• C.$\$150$
• D.$\$180$

The trivial solution of a system of homogeneous linear equations is?

• A.$(1, 0, 0)$
• B.$(0, 0, 0)$
• C.$(1, 1, 1)$
• D.None of these