Punjab State Board PSEB 7th Class Maths Book Solutions Chapter 12 Algebraic Expressions MCQ Questions with Answers.
PSEB 7th Class Maths Chapter 12 Algebraic Expressions MCQ Questions
Multiple Choice Questions :
Question 1.
On subtracting 9 from -q, we get:
(a) 9 – q
(b) q – 9
(c) 9 + q
(d) 9 – q
Answer:
(b) q – 9
Question 2.
The numerical coefficient of variable in expression 5 – 3t2 is :
(a) 3
(b) -3
(c) – 32
(d) 2
Answer:
(b) -3
Question 3.
In the expression 5y2 + 7x, the coefficient of y2 is :
(a) 5
(b) 7
(c) -5
(d) 2
Answer:
(a) 5
Question 4.
The sum of 3mn, -5mn, 8mn, -4mn is :
(a) 10 mn
(b) – 8 mn
(c) 12 mn
(d) 2 mn.
Answer:
(d) 2 mn.
Question 5.
If m = 2, the value of 3m – 5 is :
(a) 6
(b) 1
(c) 11
(d) -1.
Answer:
(b) 1
Question 6.
If m = 2, the value of 9 – 5m is :
(a) -1
(b) 1
(c) 19
(d) 13
Answer:
(a) -1
Question 7.
If p = – 2, the value of 4p + 7 is :
(a) 15
(b) 18
(c) 20
(d) -1.
Answer:
(d) -1.
Question 8.
If a = 2, b = – 2, the value of a2 + b2 is :
(a) 0
(b) 4
(c) 8
(d) 10
Answer:
(c) 8
Fill in the blanks :
Question 1.
On subtracting 5 from x we get ……………
Answer:
x – 5
Question 2.
The vable of 4x + 7 for x = 2 is ……………
Answer:
15
Question 3.
The sum of -4xy, 2xy, 3xy is ……………
Answer:
xy
Question 4.
A symbol having a fixed numerical value is called ……………
Answer:
constant
Question 5.
Binomial has …………… terms.
Answer:
two
Write True or False :
Question 1.
Every number is a constant. (True/False)
Answer:
True
Question 2.
A symbol which takes on various numerical value is called a variable (True/False)
Answer:
True
Question 3.
Expressions are formed by addition of terms. (True/False)
Answer:
False
Question 4.
7 and 12xy are like terms. (True/False)
Answer:
False
Question 5.
The coefficient of x in 2x + 3y = 6 is 3. (True/False)
Answer:
False