Complete the pattern :

1 ) 7 , 3 , -1 , -5 , ...
2 ) -2 , -4 , -6, -8 , ...
3 ) 15 , 10 , 5 , 0 , ...
4 ) -11, -8 , -5 , -2 , ...
5 ) -5 , -4 , -3 , -2 , ...

Let U= {1, 2, 3, 4, 5, 6, 7, 8,9}, A={1, 2, 3, 4}, B = {2, 4, 6, 8) and C={3, 4, 5, 6}. Find A'

Let U= {1, 2, 3, 4, 5, 6, 7, 8,9}, A={1, 2, 3, 4}, B = {2, 4, 6, 8) and C={3, 4, 5, 6}. Find (A')'

Let U= {1, 2, 3, 4, 5, 6, 7, 8,9}, A={1, 2, 3, 4}, B = {2, 4, 6, 8) and C={3, 4, 5, 6}. Find ( A uu B)'

Let U= {1, 2, 3, 4, 5, 6, 7, 8,9}, A={1, 2, 3, 4}, B = {2, 4, 6, 8) and C={3, 4, 5, 6}. Find (B-C)'

What should come next in the following number series ? 9 7 5 3 1 1 8 6 4 2 2 9 7 5 3 1 1 8 6 4 2 2 9 7 5 3 1 1 8 6 4 2 2 9 7 5 1) 1 2) 5 3) 3 4) 5 5) None of these

The points (5, -4, 2), (4, -3, 1), (7, -6, 4) and (8, -7, 5) are the vertices of a

What should come next in the following series? 1 2 3 4 5 6 7 8 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 7 6 5 4 3 2 1 1 2 3

In the following number series how many 5's are there which are immediately preceded by a pair of numbers whose product is more than the product of the pair of numbers immediately following 5 ? 3 4 5 6 3 5 7 8 5 1 9 5 2 4 5 5 1 2 3 5 4 2 5 7 1 5 6 3 2 5 4 7 1) 4 2) 5 3) 6 4) 2 5) None of these

How many 9's are followed by and preceded by numbers divisible by 2? 8 9 6 5 3 5 9 6 8 3 4 9 6 5 2 6 9 7 37 2 9 4 1 3 7 9 4 1 7 3 4 9 8 4 5 3 97 6 1 5 31 95 7 4 2 9 6 8 5 3 2 9 5 7 4 8 9 4 5 1