Find the invalid no.from the following series 2,3,12,37,86,166,288 Answers:
A) 2
B) 3
C) 166
D) 288
E) 37
3-2= 
<gadget id="calculator">3-2</gadget>
<output>1</output>
1   12-3= 
<gadget id="calculator">12-3</gadget>
<output>9</output>
9   37-12= 
<gadget id="calculator">37-12</gadget>
<output>25</output>
25   86-37= 
<gadget id="calculator">86-37</gadget>
<output>49</output>
49   166-86= 
<gadget id="calculator">166-86</gadget>
<output>80</output>
80(this must be 81=167-86= 
<gadget id="calculator">167-86</gadget>
<output>81</output>
81)   so wrong number in the sequence is 166   difference between two sucessive numbers sequence would be   1,9,25,49,81,121(square of 1,3,5,7,9,11)   166
<result>C</result>
Find the invalid no.from the following series 2,3,12,37,86,166,288