Question
If O is the orthocentre of ΔABC , if ∠BOC =
1350 then what is the measure of ∠BAC?Solution
If O is the orthocentre of ΔABC, then ∠BOC + ∠BAC = 180 0 or 1350  + ∠BAC  = 180 0   or ∠BAC = 180 0  - 1350   = 450 Â
What value should come in the place of (?) in the following number series?
100, 149, 68, 189, ?, 245
Find the missing term in the series:
5, 9, 17, 33, ?, 129
What will come in place of the question mark (?) in the following series?
18, 26, 37, 51, ?, 88
66, 17, 81, ?, 100, -21Â
- What will come in place of (?) in the given number series.
1, 2, 6, 21, 88, ? What will come in place of the question mark (?) in the following series?
325, 292, 262, 229, ?, 166
72, 97, 147, ?, 322, 447
What will come in place of the question mark (?) in the following series?
555, 430, ?, -320, -1320, -3320Â
226, 171, 124, 85, 54, ?
What will come in place of the question mark (?) in the following series?
110, 120, ?, 146, 162, 180
