How many terms are there in 2, 4, 8, 16,..., 16384?
Choose the correct choice from the following.
A) 14
B) 11
C) 12
D) 10
E) 8
2, 4, 8, 16, ..., 16384 is a G.P with a =2   and r =4/2= 
<gadget id="calculator">4/2</gadget>
<output>2</output>
2   Let the number of terms be n. Then   2 x 2 ^n-1= 16384   or 2^n-1 = 8192 = 2^13   Thus n - 1 =13   n= 14   14NSWER:14
<result>A</result>
How many terms are there in 2, 4, 8, 16,..., 16384?