Question

1.Thesurface areaof a cube edge‘a’is?

(a)7a2 (b)6a2 (c)5a3 (d)5a2

2.The value of(-1)

55is?

(a)-1 (b)1 (c)0 (d)55

3.The point (-2,-3) lies in which quadrant?

(a)Iquadrant (b)IIquadrant (c)IIIquadrant (d)IV

quadrant

4.The circumference of circle whose diameteris 4cm will be?

(a)44cm (b)88cm (c)44cm2 (d)88cm2

5.Factors of 2x+4is

(a)2(x-4) (b)2(x+4) (c)2(x-2) (d)2(x+2)

6.The exponent in the expression 3' is_______.

(a)1 (b)7 (c)3 (d)0

7.If y-coordinate of a point is zero,then this point always lies:

(a)Iquadrant (b)IIquadrant (c)x–axis (d)y–axis

8.))Find the solution of 2x+3=7

(a)2 (b)-2 (c)3 (d)5

9.))In simplified form (30+40+50)0 is equals to

(a)12 (b)3 (c)12 (d)1

10.))The value of expression 5n

2+5n-2forn=-2is

(a)13 (b)3 (c)8 (d)12​

Answer 1

Answer:

so I think this is helpful whatever I know I did I got 1,3,5,7,8,9

Answer 2

Answer:

1. b

2.a

3.c

4.b

5.d

6.c

7.d

8.a

9.d

10. c