Question
What is the atomic mass of
carbon?Solution
On the periodic table the mass of carbon is reported as 12.01 amu. This is the average atomic mass of carbon.
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