Question

2:Number of terms in the expression 3x2y -2y2z-z2x+ 5 is*

(a) 2

(b) 3

(c) 4

(d) 5

3:The terms of expression 4x2 -3xy are *

(a) 4x2 and -3xy

(b) 4x2 and 3xy

(c) 4x2 and -xy

(d) x2 and xy

4:Factors of -5x2y2z are *

(a) -5 x x x y x z

(b) -5 x x2 x y x z

(c) -5 x x x x x y x y x z

(d) -5 x x x y x z2

5.Coefficient of x in -9xy2z is *

(a) 9 yz

(b) -9 yz

(c) 9 y2z

(d) -9 y2z

6.Which of the following is a pair of like terms? *

(a) -7xy2z, -7x2yz

(b) -10xyz2, 3xyz2

(c) 3xyz, 3x2y2z2

(d) 4xyz2, 4x2yz

7:Identify the binomial out of the following *

(a) 3xy2 + 5y – x2y

(b) x2y-5y-x2y

(c) xy + yz + zx

(d) 3xy2 + 5y-xy2

8:The subtraction of 5 times of y from x is *

(a) 5x-y

(b) y-5x

(c) x-5y

(d) 5y-x

9:-b- 0 is equal to *

(a) -1 x b

(b) 1-b-0

(c) 0-(-1) x b

(d) -b—0 —

10:The side length of the top of square table is x. The expression for perimeter is *

(a) 4 + x

(b) 2x

(c) 4x

d) 8x

11:The number of scarfs of length half metre that can be made from y metres of cloth is*

(a) 2y

(b) y/2

(c) y + 2

(d) y + ½

12: 123x2y-138x2y is a like term of *

(a) 10xy

(b) -15xy

(c)-15xy2

(d) 10x2y

13:The value of 3x2 – 5x + 3, when x=1 is *

(a) 1

(b) 0

(c)-1

(d)11

14:The expression for the number of diagonals that we can make from one vertex of a n-sided polygon is *

(a) 2n +1

(b) n -2

(c) 5n + 2

(d)n-3

15:The length of a side of square is given as 2x+3. Which expression represents the perimeter of the square? *

1 point

(a) 2x +16

(b) 6x + 9

(c) 8x + 3

(d) 8x + 12

16:x is a non-zero rational number. Product of the square of x with the cube of x is equal to the *

(a) second power of x

(b) third power of x

(c) fifth power of x

(d) sixth power of x

17:(1° + 2° + 3°) is equal to *

(a) 0

(b) 1

(c) 3

(d) 6

18:Which of the following is equal to 1? *

(a) 2° + 3° + 4°

(b) 2° x 3° x 4°

(c) (3° -2°) x 4°

(d) (3° – 2°) x (3° + 2°)

19:The angles between North and West and South and East are *

(a) complementary

(b) supplementary

(c) both are acute

(d) both are obtuse

20:If the complement of an angle is 79°, then the angle will be of *

(a) 1°

(b) 11°

(c) 79°

(d) 101​

Answer 1

Answer:

2..C.

3 .A.

4 .B.

Step-by-step explanation:

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