how many terms are there in the G.P. 3,6,12,24,...,384? Pick.
A) 8  B) 9  C) 10  D) 11  E) 7
Here a=3 and r=6/3= 
<gadget id="calculator">6/3</gadget>
<output>2</output>
2. let the number of items be n   then, t^n=384=&gt; ar^n-1=384   = 3 x 2^n-1=384   =2^n-1=128 = 2^7   =n-1=7=&gt;n=8   Therefore, number of terms is 8   8nswer is 8.
<result>A</result>
how many terms are there in the G.P. 3,6,12,24,...,384?