Question
50% of a number is equal to 40% of another number. If
the total of both numbers is 360, find the difference between them.Solution
Let the numbers be ‘x’ and ‘y’ respectively According to the question, 0.50x = 0.40y Or, x/y = 4/5 Therefore, (4 + 5) units = 360 Or, 1 unit = 40 Therefore, difference = 5 – 4 = 1 unit = 40
 47                         54          ?             74          87          ...
3 2 2 3 8 ?
...Direction: Which of the following will replace ‘?’ in the given question?
342, ‘?’, 420, 462, 506, 552, 60
2401 2402 1203 ? 105 26
...840 400 180 ? 15 -12.5
...There are three series given below which are following with the same pattern.
Series I: 9, 10, 32, 163, 1145
Series II: 4, B, C, D, E
...5, 11, 19, 29, 41, ?
122, 116, 125, 119, 128, ?
6   55   91   116   132    ?  . Â
64   66   70   73   ?   86
