Directions : There is a wrong number in these series. Find the wrong number &…
2022
Directions : There is a wrong number in these series. Find the wrong number & pattern of the given series and answer the questions given below.
Series A: 24, 31.5, 46.5, 69, 98, 136.5, 181.5
Series B: 5926, 886, 166, 46, 22, 18, 14
Series C: 11, 18, 44, 107, 231, 445, 788
If series D is following the pattern of series C. If first term of series D is 23 and P & Q being the third & sixth term respectively of series D, then find the difference between P & Q.
- A.
540
- B.
195
- C.
298
- D.
402
- E.
338
Attempted by 2 students.
Show answer & explanation
Correct answer: D
Series C adds 2^3-1, 3^3-1, 4^3-1, and so on. Starting Series D from 23 gives 30, 56, 119, 243, and 458. Thus P = 56 and Q = 458, so Q - P = 402.