Question
Select the option that is related to the fifth term in
the same way as the second term is related to the first term and the fourth term is related to the third term. 43 : 19 :: 78 : 71 :: 69 : ?Solution
In each number pair, 'AB : CD', CD = (A X B) + (A + B)Β 43 : 19 β (4 x 3) + (4 + 3) β 12 + 7 = 19. 78 :: 71 β (7 x 8) + (7 + 8) β 56 + 15 = 71 69 :: ? β (6 x 9) + (6 + 9) β 54 + 15 = 69.
Find the wrong number in the given number series.
78, 103, 152, 233, 356, 523120, 160, 220, 300, 400, 560
- 80, - 44, - 4, 88, 216, 380
552, 448, 380, 306, 240, 182
Find the wrong no in the given number series.
3, 7, 15, 31, 63, 127, 255
Find the wrong number in the given number series.
120, 126, 138, 162, 220, 306
- Find the wrong number in the given number series.
1, 2, 6, 24, 120, 600 31, 39, 49, 73, 121, 217
2, 12, 36, 80, 150, 252
112, 130, 155, 196, 254, 342