Question
Two men are on opposite sides of a tower of 75 m height.
If they measure the elevation of the top of the tower as 30deg; and 45deg; respectively then the distance between the men is?Solution

156, 172, 196, ?, 268, 316
- What will come in place of the question mark (?) in the following series?
1, 2, 5, 16, 65, ? What value should come in the place of (?) in the following number series?
15, 16, 24, 51, 115, ?
Find the missing number in the given number series.
6, 15, 35, 66, 108, ?8      27       64      125     ?       343Â
...- What will come in place of (?) in the given number series.
5, 10, 8, 16, 11, ?, 17 What will come in place of the question mark (?) in the following series?
520, 519, 511, ?, 420, 295
7, 9, 21, ?, 107, 197
100 180 294 448 648 ?
312, 302, 282, ?, 212, 162