46. The sum of all odd numbers
    between 1 to 1000 which are
    divisible by 3.
    (a) 83667 (b) 56128 (c) 90000
    (d) None


47. If x= 1+a+ + +........
    y= 1+b+ + +..............
    then 1+ab+ +........

(a) (b) (c) (d)

48. If a, b, c are in AP as well as in
    GP, then
    (a) a=b≠c (b) a≠b=c (c) a≠b≠c (d)
    a=b=c


49. If , , ............ is an AP
    such that
    = 225. Find
    .................+
    (a) 909 (b) 75 (c) 750 (d) 900

SETS

1. Consider the following Venn
   Diagram

If | |= 42
| |= 15
| |= 12
| |= 22
Then the area represented by
shaded portion in above Venn
diagram is
(a) 25 (b) 27 (c) 32 (d) 37

2. If Ø is a null set, then which one
   of the following is correct?
   (a) Ø= 0 (b)Ø= {0} (c) Ø= {Ø} (d)
   Ø= {}
   3. If A= {a, b, c}, then what is the
   number of proper subsets of A?
   (a) 5 (b) 6 (c) 7 (d) 8
   4. If ‘E’ is the universal set and A=
   B C, then the set (E-(E-(E-(E-(E-
   A))))) is
   (a) (b) B C (c)
   (d) B C
   5. If A= {1, 2, 5,6 }, B= {1, 2, 3},
   then what is ( ) ( )?
   (a) {(1, 1), (2, 1), (6, 1), (3, 2)} (b)
   {(1, 1), (1, 2), (2, 1), (2, 2)} (c) {(1,
   1), (2, 2)} (d) {(1, 1), (1, 2), (2, 5),
   (2, 6)}
   6. If X= {multiplies of 2}, Y=
   {multiplies of 5}, Z= {multiplies of
   10}, then X (Y Z} is
   (a) {multiplies of 10} (b)
   multiplies of 5} (c) {multiplies of
   2} (d) {multiplies of 20}

A (^) B