Question
How many people belong to W group but not X
group? Read the directions carefully and answer the following. In a group of 60 people, all of them belong to at least one group- X, W and Z. 12 people belong only to the Z group. 10 People belong to all the three groups. 4 people have joined the X and Z group but not the W group. 30 people belong to the Z group. 4 people have joined only the X group. 6 people have joined only the W group.Solution
Number of people who belong to W group but not X group = (4 + 6) = 10
Find the next term in the series:
4, 9, 19, 39, 79, ?
221, 100, 0, -81, ?
...√(10198 )× √(7220 )÷ 16.69 + 2010.375= ?
827, 820, 806, 785, 757, ?
7    8     ?     13     17     22    28
...76, 80, 89, 105, ?, 166
{(12√5 + 6√5 )} ×{(10√5 - 5√5 )} - 8² + 6² = ?
-1, 5, 23, 59, ?
12   18   31   51   ?   112
What will come in place of the question mark (?) in the following series?
17, 21, 30, 46, ?, 107