If 2 sets A and B are given, then set consisting of all elements which are either in A or in B or in both is called
If following pattern is considered 2 x (2 + 2) = 8, 3 x (3 + 2) = 15, 4 x (4 + 2) = 24, 5 x (5 + 2) = 35, . . . . . . . . . . . . ., then value of 'a' in this pattern a x (a + 2) = 168 will be
If following pattern is considered 2² + 1 = 5, 3² + 1 = 10, 4² + 17, 5² + 1 = 26, . . . . . . ., then value of x in x²+1 = 170 will be
In following number sequence 40960, 10240, 2560, 640, next three numbers in sequence are
Round off value of 10256/32548 up to three decimal places is