Question
In a triangle, PT is tangent and PAB is secant which
cuts on a circle at points A & B. If PT= 12 cm, PA= 8 cm then find the legth of AB.Solution
PT 2 = PAÂ `xx` Â PBÂ 122 = 8(8 + AB)Â 144 = 8(8 + AB)Â 18 = 8 + ABÂ AB = 18 - 8 = 10 cm
What should come in place of (?) question mark in the given number series.
81, 73, 66, 60, 55, ?
14 6 4 4 ? 48
...What should come in place of (?) question mark in the following number series.
5, 11, 23, 47, 95, ?
In each of the following number series, one term is missing. Find the missing term.
1, 4, 9, 16, 25, ?
What will come in place of the question mark (?) in the following series?
4, 11, 32, 95, 284, 851, ?
156, 182, 210, 240, 272, ?
31    32      35      ?      47       56
...What should come in place of (?) question mark in the following number series.
1, 2, 6, 24, 120, ?
What value should come in the place of (?) in the following number series?
71, 72, 76, 103, ?, 244254, ?, 1022, 1150, 1214, 1246
