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Updated on: 01 Oct 2023, 02:57
Originally posted by Sajjad1994 on 23 Feb 2021, 07:30.
Last edited by BottomJee on 01 Oct 2023, 02:57, edited 2 times in total.
Last edited by BottomJee on 01 Oct 2023, 02:57, edited 2 times in total.
Moved to new forum
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\(S_{4}\): 8
\(S_{5}\): 16
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
81% (02:15) correct
19%
(02:37)
wrong
based on 321
sessions
History
Date
Time
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Not Attempted Yet
For the series \(S\) when \(a>2, S_{a}\) is defined such that \(S_{a+1} = S_{a}∗\frac{1}{2}(S_{a−1}).\) For \(a<3, S_{1} = 2\) and \(S_{2} = 4.\) In the table, select values for \(S_{4}\) and \(S_{5}\) that fulfills the conditions above. Select only one answer in each column.
| \(S_{4}\) | \(S_{5}\) | ------ |
| 4 | ||
| 8 | ||
| 16 | ||
| 32 | ||
| 64 |
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Official Answer
\(S_{4}\): 8
\(S_{5}\): 16
23 Feb 2021, 09:15
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Given:
For the series \(S\) when \(a>2, S_{a}\) is defined such that \(S_{a+1} = S_{a}∗\frac{1}{2}(S_{a−1}).\)
For \(a<3, S_{1} = 2\) and \(S_{2} = 4.\)
Asked: In the table, select values for \(S_{4}\) and \(S_{5}\) that fulfills the conditions above. Select only one answer in each column.
\(S_1 = 2\)
\(S_2 = 4\)
\(S_3 = S_2*.5*S_1 = 4*.5*2 = 4\)
\(S_4 = S_3*.5*S_2 = 4*.5*4 = 8\)
\(S_5 = S_4*.5*S_3 = 8*.5*4 = 16\)
For the series \(S\) when \(a>2, S_{a}\) is defined such that \(S_{a+1} = S_{a}∗\frac{1}{2}(S_{a−1}).\)
For \(a<3, S_{1} = 2\) and \(S_{2} = 4.\)
Asked: In the table, select values for \(S_{4}\) and \(S_{5}\) that fulfills the conditions above. Select only one answer in each column.
\(S_1 = 2\)
\(S_2 = 4\)
\(S_3 = S_2*.5*S_1 = 4*.5*2 = 4\)
\(S_4 = S_3*.5*S_2 = 4*.5*4 = 8\)
\(S_5 = S_4*.5*S_3 = 8*.5*4 = 16\)
| \(S_{4}\) | \(S_{5}\) | |
| 4 | ||
| * | 8 | |
| * | 16 | |
| 32 | ||
| 64 |
30 Jun 2024, 22:29
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Kindly check the highlighted part. I think you cant write like this as it is violating a>2 condition. KarishmaB
Kinshook
