Question
The sides of two similar triangles are in the ratio 5:7.
The areas of these triangles are in the ratio:Solution
Let the sides of the triangles be 5x units and 7x units, respectivelySince, triangles are similar, therefore
Area of first triangle/ Area of second triangle = (side of first triangle/side of second triangle)²
= (5x/7x)² = 25/49
Find the wrong number in the given number series.
4, 7, 12, 19, 30, 43, 61
4Â Â Â Â Â 6Â Â Â Â Â Â 12Â Â Â Â Â 30 Â Â Â Â Â Â 90 Â Â Â Â Â Â Â 310
...Find the wrong number in the given series.
46, 104, 184, 404, 760, 1586
- Find the wrong number in the given number series.
118, 150, 178, 206, 238, 266 21, 44, 78, 121, 179, 246
Find the wrong number in the given number series.
30, 26, 24, 18, 14, 10
Find the odd one out in the following series:
159, 240, 256, 292, 373, 420
4, 8, 24, 96, 485, 2880, 20160
Find the wrong number in the given number series.
45,  54, 79, 128, 189,  330,  499
75, 450, 225, 1330, 675, 4050
