Directions: Given below is the sequence of series. Analyze the pattern of the…
2018
Directions: Given below is the sequence of series. Analyze the pattern of the series and answer the given following questions.
4, 2, 2, 3, 6, 15, 45
If (𝟐𝟖𝟑𝟓)𝒏 is the term of the sequence where n is the nth term of sequence then find ‘n’.
Answer: C. 10th — The series multiplies successively by 1/2, 1, 3/2, 2, 5/2, and 3. Continuing the same pattern: 45 x 7/2 = 157.5, then 157.5 x 4 = 630, and 630 x 9/2 = 2835.…
- A.
8th
- B.
9th
- C.
10th
- D.
11th
- E.
12th
Attempted by 21 students.
Show answer & explanation
Correct answer: C
The series multiplies successively by 1/2, 1, 3/2, 2, 5/2, and 3.
Continuing the same pattern: 45 x 7/2 = 157.5, then 157.5 x 4 = 630, and 630 x 9/2 = 2835.
So 2835 is the 10th term.
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