Q 1 – The expression x + 3 is in
(a) one variable
(b) two variables
(c) no variable
(d) none of these.
Q 2 – The expression 4xy + 7 is in
(a) one variable
(b) two variables
(c) no variable
(d) none of these.
Q 3 – The value of x² – 2x + 1 when x = 1 is
(a) 1
(b) 2
(c) – 2
(d) 0.
Q 4 – The value of x² + y² when x = 1, y = 2 is
(a) 1
(b) 2
(c) 4
(d) 5
Q 5 – Which of the following is a monomial ?
(a) 4x²
(b) a + 6
(c) a + 6 + c
(d) a + b + c + d.
Q 6 – Which of the following is a binomial?
(a) 3xy
(b) 4l + 5m
(c) 2x + 3y – 5
(d) 4a – 7ab + 3b + 12.
Q 7 – How many terms are there in the expression 5xy² ?
(a) 1
(b) 2
(c) 5
(d) 3
Q 8 – How many terms are there in the expression 7x² + 5x – 5 ?
(a) 1
(b) 2
(c) 3
(d) 5
Q 9 – How many terms are there in the expression 5xy + 9yz + 3zx + 5x – 4y?
(a) 1
(b) 3
(c) 4
(d) 5
Q 10 – The coefficient in the term 20 is
(a) 1
(b) 2
(c) 10
(d) 20
Q 11 – The like terms of the following are
(a) x, 3x
(b) x, 2y
(c) 2y, 6xy
(d) 3x, 2y
Q 12 – The like terms of the following are
(a) ab, 9ba
(b) ab, –5b
(c) –5b, 9ba
(d) ab, -3a
Q 13 – The coefficient of x²y in 7pqrx² is
(a) 7pqr
(b) pqr
(c) –7pqr
(d) 7
Q 14 – The coefficient of xy in xy is
(a) 1
(b) –1
(c) 2
(d) 3
Q 15 – The coefficient of xy2z in –7x2y3z is
(a) –7xy
(b) 7xy
(c) –xy
(d) xy
Q 16 – The sum of 8 pq and –17 pq is
(a) pq
(b) 9pq
(c) –9pq
(d) –pq
Q 17 – The sum of x² – y², y² – z² and z² – x² is
(a) 0
(b) 3x²
(c) 3y²
(d) 3z²
Q 18 – The result of subtraction of 7x from 0 is
(a) 0
(b) 7x
(c) –7x
(d) x
Q 19 – The product of 4mn and 0 is
(a) 0
(b) 1
(c) mn
(d) 4 mn
Q 20 – The volume of a cube of side 2a is
(a) 4a²
(b) 2a
(c) 8a³
(d) 8
Q 21 – (a + b)² is equal to
(a) a² + b² – 2ab
(b) a² + b² + 2ab
(c) a² + b²
(d) 2ab.
Q 22 – a² – b² is equal to
(a) 2ab
(b) -2ab
(c) (a + b) (a – b)
(d) ab
Q 23 – 5x + 6y is a:
(a) A. Monomial
(b) Binomial
(c) Trinomial
(d) None of the above
Q 24 – A polynomial contains _______ number of terms:
(a) One
(b) Two
(c) Three
(d) Any
Q 25 – If we subtract 4a – 7ab + 3b + 12 from 12a – 9ab + 5b – 3, then the answer is:
(a) 8a + 2ab + 2b + 15
(b) 8a + 2ab + 2b – 15
(c) 8a – 2ab + 2b – 15
(d) 8a – 2ab – 2b – 15
Q 26 – If we multiply 5x and (-4xyz), then we get:
(a) 20x2yz
(b) –20x2yz
(c) x2yz
(d) –2xyz
Q 27 – In which of the following, the two expressions are like terms ?
(a) 7x and 7y
(b) 7x and 9x
(c) 7x and 7x2
(d) 7x and 7xy
Q 28 – The volume of a rectangle with length, breadth, and height as 5x, 3x2, and 7x4 respectively is:
(a) 105x7
(b) 105x2
(c) 105x4
(d) 105x
Q 29 – The product of 4x and 0 is:
(a) 4x
(b) 4
(c) 0
(d) None of the above
Q 30 – If we add, 7xy + 5yz – 3zx, 4yz + 9zx – 4y and -3xz + 5x – 2xy, then the answer is:
(a) 5xy + 9yz + 3zx + 5x – 4y
(b) 5xy – 9yz + 3zx – 5x – 4y
(c) 5xy + 10yz + 3zx + 15x – 4y
(d) 5xy + 10yz + 3zx + 5x – 6y
Q 31 – The algebraic expression 3x + 2y + 6 is
(a) monomial
(b) Binomial
(c) Trinomial
(d) None of the above
Q 32 – An algebraic expression that contains only one term is called:
(a) Monomial
(b) Binomial
(c) Trinomial
(d) None of the above
Q 33 – (a – b)² is equal to
(a) a² + b² – 2ab
(b) a² + b² + 2ab
(c) a² + b²
(d) 2ab
Q 34 – (x – y)(x + y) + (y – z)(y + z) + (z – x) (z + x) is equal to
(a) 0
(b) x² + y² + z²
(c) xy + yz + zx
(d) x + y + z
Q 35 – The volume of a cuboid of dimensions a, b, c is
(a) ABC
(b) a²b²c²
(c) a³b³c³
(d) none of these
Q 36 – The area of a rectangle with length 2l²m and breadth 3lm² is
(a) 6l³m³
(b) l³m³
(c) 2l³m³
(d) 4l³m³
Q 37 – The area of a rectangle whose length and breadth are 9y and 4y² respectively is
(a) 4y³
(b) 9y³
(c) 36y³
(d) 13y³
Q 38 – The product of 5x and 2y is
(a) xy
(b) 2xy
(c) 5ay
(d) 10ay
Q 39 – The result of subtraction of 3x from –4x is
(a) –7x
(b) 7x
(c) x
(d) –x
Q 40 – What do you get when you subtract -3xy from 5xy?
(a) 3xy
(b) 5xy
(c) 8xy
(d) xy