Question
In ∆ PQR, S is the midpoint of QR. T is the midpoint
of line PS. Then, Area of ∆PTQ : Area of ∆ PQR isSolution
Let the area of the ∆ PQR = 100 Then the area of ∆ PSQ = 100/2 = 50 And the area of ∆ PQT = 50/2 = 25 Area of ∆PTQ : Area of ∆ PQR = 25 : 100 = 1 : 4
Find the wrong number in the given number series.
84, 120, 183, 246, 336, 444
75, 450, 225, 1330, 675, 4050
191 341 221 331 251 281
Find the wrong number in the given number series.
7, 8, 17, 42, 83, 172- Find the wrong number in the given number series.
3, 28, 253, 858, 2103, 4128 Find the wrong number in the given number series.
32, 48, 72, 108, 162, 245
Find the wrong number in the given number series.
1248, 1365, 1488, 1623, 1776, 195418, 19, 27, 54, 116, 243
-1236, -724, 5, 1005, 2336, 4062
- Find the wrong number in the given number series.
350, 289, 238, 197, 158, 145