Question
The impossible trinity is a concept in international
economics which states that it is impossible to have all three of the following at the same time I. Fixed Exchange Rate II. Flexible Exchange Rate III. Independent Fiscal Policy IV. Independent Monetary Policy V. Perfect Capital MobilitySolution
The impossible trinity, or the trilemma, refers to the idea that an economy cannot pursue independent monetary policy, maintain a fixed exchange rate, and allow the free flow of capital across its borders at the same time. 
5 10 40 80 320 640
4 a b c d e
Find the value of d.
...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...
6, 17, 21, 47, ?, 107
9, 21, 67, 273, 1371, ?
7Â Â Â Â Â Â Â Â Â Â Â 26Â Â Â Â Â Â Â Â Â Â Â Â Â Â 238Â Â Â Â Â Â Â Â Â Â Â Â Â Â 962Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 8522Â Â Â Â Â Â Â Â Â Â Â Â Â ...
218, 108, 160, ? , 1385.50
62 90 122 158 198 ?
14, 28, 54, 98, 154, 224
7    7       14    42   ?     840
...There are three series given below which are following with the same pattern.
Series I: 1, 12, 38, 193, 1355
Series II: 6, B, C, D, E
...
