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CBSE Questions for Class 7 Maths Algebraic Expressions Quiz 6 - MCQExams.com

What should be taken away from 3x24y2+5xy+20 to get x2y2+6xy+20.
  • x2y2xy
  • x33y2xy
  • x2y3xy
  • 4x23y2xy
Find the like terms from the given terms and add them:
4xyz,2x2y2,3x2y2,4x2,9x2y2,18x2,6xyz,10x2,7xyz
  • (1) 11xyz
    (2) 12x2y2
    (3) 32x2
  • (1) 17xyz
    (2) 14x2y2
    (3) 32x2
  • (1) -17xyz
    (2) 14x2y2
    (3) 28x2
  • none
State True or False
 13m22m2=11m2
  • True
  • False
Subtract 4p2q3pq+5pq28p+7q10 from 183p11q+5pq2q2+5p2q
  • 28+5p18q+8pq2q2+p2q5pq2
  • 8+11p18q+8pq2q2+p2q5pq2
  • 285p+18q8pq+2q2p2q+5pq2
  • none
Simplify: (x2y2+2xy+1)(x2y2+4xy5)
  • 2xy+6
  • 2xy+6
  • 2xy22xy+6
  • 2y22xy6
If A = 10w3+20w255w+60,
B = 25w2+15w10 and
C = 5w210w+20,
then A + B - C is equal to ______.
  • 10w3+10w2+30w+30
  • 10w3+10w230w+30
  • 10w310w230w+30
  • None of these
Simplify :
(3x + 2y - 9) (2x - 6y + 2) - [(4x - 9y - 1) + (-3x + 8y + 7)]
  • 6x214xy12y213x+59y24
  • 6x212xy18917x+61y29
  • 8x214xy12y213x+57y24
  • 8x214xy12y217x+61y29
By how much is a44a2b2+b4 more than a48a2b2+b4?
  • 4a2b2
  • 12a2b2
  • 2a4+2b4
  • 10a2b2
What must be subtracted from 3a26ab3b21 to get 4a27ab4b2+1?
  • a2abb2+2
  • 6a2+2ab+8b27
  • a2+ab+b22
  • 3a2ab+b22
Add 5x27x+3,8x2+2x5 and 7x2x2
  •  4x27x+3
  •  4x26x4
  •  4x2+7x4
  •  4x26x3
Do the following subtractions as directed.
Subtract (8p+9k17) from (2pq+7p8q+15)
  • p8q9k+2pq+32
  • p+8q9k+2pq+32
  • p8q+9k+pq+32
  • p8q9k+2pq32
Do the following subtractions as directed.
Subtract t43t2+7 from 5t39
  • t43t25t3+16
  • t45t33t2+16
  • t4+5t3+3t216
  • t45t33t216
Do the following subtractions as directed.
Subtract (3x37x+4) from (5x3+7x22x)
  • 2x3+4x2+5x2
  • 2x3+7x2+5x2
  • 2x3+7x2+5x4
  • 2x3+x2+5x2
Add the following : 
i) 5y3,26y3,10y3,3y3
ii) 3x2,10x2,4x2
iii) 4x2y,3xy2,5xy2,5x2y
  • (i) 38y3 (ii) 3x2 (iii) 8x2y9xy2
  • (i) 38y3 (ii) 3x2 (iii) 9x2y8xy2
  • (i) 41y3 (ii) 3x2 (iii) 9x2y8xy2
  • None
Subtract 2x34x2+3x+5 from 4x2+x2+x+6, then the resultant value is 
  • 6x3+5x22x+1
  • 2x3+5x22x+1
  • 2x35x22x+1
  • 2x35x2+2x1
What must be added to 5x32x2+6x+7 to make the sum x3+3x2x+1?
  • 4x35x2+7x+6
  • 4x3+5x27x+6
  • 4x3+5x27x6
  • None of these
Simplify combining like terms :
p(pq)q(qp)
  • qp
  • q
  • 0
  • pq
Add: 2u+3v,2v+3w,3uv+2w
  • 5u5w
  • 5u+5w
  • uw
  • u+w
What must be added to 7z311z2129 to get 5z2+7z92 ?
  • 7z3+16z2+7z+37
  • 7z3+16z2+7z+37
  • 7z3+16z2+7z37
  • 7z37z2+7z37
Simplify: a[b{c(abc)}c]+a
  • a2c
  • a3c
  • a+3c
  • a+2c
The sum of (6a+4bc+3),(2b3c+4),(11b7a+2c1) and (2c5a6) is
  • (4a6b+2)
  • (3a+14b3c+2)
  • (6a+17b)
  • (6a+6b+c4)
The length of a side of square is given as 2x+3. Which expression represents the perimeter of the square.
  • 2x+16
  • 6x+9
  • 8x+3
  • 8x+12
Number of terms in the expression 3x2y2y2zz2x+5 is
  • 2
  • 3
  • 4
  • 5
The terms of the expression 4x23xy are:
  • 4x2 and 3xy
  • 4x2 and 3xy
  • 4x2 and xy
  • x2 and xy
State true or false.
(3ab+3)(a+b) is a binomial.
  • True
  • False
State true or false: 7x has two terms, 7 and x
  • True
  • False
State the following statement is true or false.
Sum of x2+x and y2+y is 2x2+2y2
  • True
  • False
State the following statement is true or false.
If we subtract a monomial from a binomial, then the answer is at least a binomial.
  • True
  • False
If the perimeter of rectangle is given by 2(a+b), where a and b denotes the length and breadth of the rectangle respectively.. The variable used here are ____ and ____.
  • 2 and a
  • 2 and b
  • a and b
  • 2,a and b
If a represent the side of a square, then perimeter of the square is ____.
  • 2a
  • 4a
  • 6a
  • 8a
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