Question
The area of the smallest circle which contains a square
of area 4 cm2 inside isSolution
Side of the square = √4 = 2 cm Diagonal of the square = 2 √2 The diameter of the circle = Diagonal of the square = 2√2 Radius of the circle = 2√2/2 = √2 ∴ Area of the circle = π × (√ 2)2 = 2π
18 45 90 235 450 1125 2250
...42, 85, 172, 343, 687, 1375
1, 4, 20, 126, 1026, 10170
79, 152, 231, 314, 405, 500
Find the wrong no in the given number series.
11, 18, 32, 60, 112, 228
Find the wrong number in the given number series.
21, 11, 12, 19, 41, 105
- Find the wrong number in the given number series.
154, 137, 114, 84, 46, 11 - Find the wrong number, in the given number series.
2, 5, 11, 23, 47, 97, 191 23, 36, 53, 69, 95, 124, 155
109 106 101 94 86 74
...