Discussion
Home ‣ Aptitude ‣ Odd Man Out and Series Comments
- Question
- 10, 5, 13, 10, 16, 20, 19, (...)?
Options- A. 22
- B. 40
- C. 38
- D. 23
- Correct Answer
- 40
ExplanationThere are two series (10, 13, 16, 19) and (5, 10, 20, 40)one increasing by 3 and another multiplied by 2.
- 1. 1, 2, 4, 8, 16, 32, 64, (...), 256?
Options- A. 148
- B. 128
- C. 154
- D. 164 Discuss
- 2. 71, 76, 69, 74, 67, 72, (...)?
Options- A. 77
- B. 65
- C. 80
- D. 76 Discuss
- 3. Complete the series 2, 5, 9, 19, 37 ....?
Options- A. 76
- B. 74
- C. 75
- D. None of these Discuss
- 4. 9, 12, 11, 14, 13, (...), 15?
Options- A. 12
- B. 16
- C. 10
- D. 17 Discuss
- 5. 4, 9, 19, 39, 79, 160, 319?
Options- A. 319
- B. 160
- C. 79
- D. 39 Discuss
- 6. 165, 195, 255, 285, 345, (...)?
Options- A. 375
- B. 420
- C. 435
- D. 390 Discuss
- 7. 2880, 480, 92, 24, 8, 4, 2?
Options- A. 2880
- B. 480
- C. 92
- D. 24 Discuss
- 8. 3, 7, 15, 27, 63, 127, 255?
Options- A. 7
- B. 15
- C. 27
- D. 63 Discuss
- 9. 7, 8, 18, 57, 228, 1165, 6996?
Options- A. 8
- B. 18
- C. 57
- D. 228 Discuss
- 10. Find out the wrong number in the series 125, 106, 88, 76, 65, 58, 53?
Options- A. 125
- B. 106
- C. 88
- D. 76 Discuss
Odd Man Out and Series problems
Search Results
Correct Answer: 128
Explanation:
Each previous number is multiplied by 2.
Correct Answer: 65
Explanation:
Alternately, we add 5 and subtract 7.
Correct Answer: 75
Explanation:
Second number is one more than twice the first third number is one less than twice the second, fourth number is one more than twice the third, fifth number is one less than the fourth. Therefore, the sixth number is one more than twice the fifth. So, the missing number is 75.
Correct Answer: 16
Explanation:
Alternately, we add 3 and subtract 1.
Correct Answer: 160
Explanation:
Double the number and add 1 to it, to get the next number. So, 160 is wrong.
Correct Answer: 435
Explanation:
Each number is 15 multiplied by a prime number i.e., 15 x 11, 15 x 13, 15 x 17, 15 x 19, 15 x 23. So, the next number is 15 x 29 = 435.
Correct Answer: 92
Explanation:
Go on dividing by 6, 5, 4, 3, 2, 1 respectively to obtain the next number. Clearly, 92 is wrong.
Correct Answer: 27
Explanation:
Go on multiplying the number by 2 and adding 1 to it to get the next number. So, 27 is wrong.
Correct Answer: 228
Explanation:
Let the given number be A, B, C, D, E, F, G. Then A x 1 + 1, B x 2 + 2, C x 3 + 3, D x 4 + 4, E x 5 + 5, F x 6 + 6 are the required number . Clearly, 228 is wrong.
Correct Answer: 88
Explanation:
Go on subtracting prime numbers 19, 17, 13, 11, 7, 5 from the number to get the next number. So, 88 is wrong.
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