On the ball
The idiom ‘on the ball’ means ‘aware of any changes or developments and quick to react to them’.
715 708 694 673 645 ?
{(12√5 + 6√5 )} ×{(10√5 - 5√5 )} - 8² + 6² = ?
69, 35.5, 39.5, 68.25, 152.5, ?
27 28 32 41 57 ?
...79 86 76 89 73 ?
...1 1 4 ? 280 3640
...362 452 550 656 770 892 ?
...10,14,26,42,70,?
15, 23, 30, 36, 41, ?
What will come in place of the question mark (?) in the following series?
12, 13, 22, 47, 96, 177, ?
