Home » Class VIII (S-II) » Maths, VIII (S-II)

# Maths, VIII (S-II)

RATIONAL NUMBERS , LINEAR EQUATIONS IN ONE VARIABLE

1.     Which rational number is called identity element for addition  of  rational  numbers ?

(a)    1      (b)   -1     (c)  0     (d)   none of these

2.      3x – 3  =   2x  +  2  ,   the   value of x is

(a)       2      (b)     5     (c)    0    (d)    1

3. Write the present age of a mother , if she is 2 years less than  three                  times her son’s age ,if her son’s age is x years.

(a)    2 – 3x     (b)     3x+2     (c)   3x-2   (d)  2x – 3

4 .Which  rational number is multiplicative identity for rational numbers ?

(a)       1      (b)   -1     (c)  0     (d)   none of these

5.     If    2x -2 =  x +3  , then   x  is

(a)       1      (b)   -5     (c)  0     (d)   5

(A)         (B)          (C)          (D)   none of these

7 .

(A)       (B)      (C)        (D) )   none of these

8 .Represent           on the number  line

9.Divide  :          by the reciprocal  of    ?

10 .Write three rational   numbers  between          and       ?

11 . Using  distributive  property ,  solve :           +        .

12. Using properties  find the  value :         ×  +

13 .Solve :   – x

14. Solve :  3(5x-7)  -2 (9x-11) =  4( 8x-13) -17.

15 . Solve  :         =    .

16 .Solve   :     +3

17 .  Solve  15(x-4) -2 (x-9) +5(x+6) = 0

18.  Solve   :    x +      =  35

19.  If  you subtract    from a number  and multiply the result by 8 . The result now obtained   is 3 times the number . What is the number ?

20.The sum of three consecutive natural numbers is  135, find the numbers?

JAYA.S PGT MATHS

KV PATTOM SHIFT 2