Tip:A–D to answerE for explanationV for videoS to reveal answer
What is the 10th term of the following series? 7, 14, 28, ………..
- A.
3076
- B.
3584
(Correct Answer) - C.
56
- D.
6144
Explanation
7,14,28
14 = 7 x 2
28 =14 x 2
an=7×2n−1
a10=7×210−1
=7×29
=7×512
=3584
Explanation
7,14,28
14 = 7 x 2
28 =14 x 2
an=7×2n−1
a10=7×210−1
=7×29
=7×512
=3584