Question
In the question, three series I, II and III are given.
Find the value of x, y and z to establish the correct relation among them and choose the correct option. I. 18, 24, 36, 60, 108, x II. 265, y, 245, 209, 145, 45 III. 9, 19, 39, 79, 159, zSolution
Series I: 18 + 6 = 24 24 + 12 = 36 36 + 24 = 60 60 + 48 = 108 108 + 96 = 204 So, x = 204 Series II: 265 – 22 = 261 261 – 42 = 245 245 – 62 = 209 209 – 82 = 145 145 – 102 = 45 So, y = 261 Series III: 9 × 2 + 1 = 19 19 × 2 + 1 = 39 39 × 2 + 1 = 79 79 × 2 + 1 = 159 159 × 2 + 1 = 319 So, z = 319 So, x < y < z.
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