Discussion
Home ‣ Aptitude ‣ Odd Man Out and Series Comments
- Question
- 7, 8, 18, 57, 228, 1165, 6996?
Options- A. 8
- B. 18
- C. 57
- D. 228
- Correct Answer
- 228
ExplanationLet 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.
- 1. 3, 7, 15, 27, 63, 127, 255?
Options- A. 7
- B. 15
- C. 27
- D. 63 Discuss
- 2. 2880, 480, 92, 24, 8, 4, 2?
Options- A. 2880
- B. 480
- C. 92
- D. 24 Discuss
- 3. 165, 195, 255, 285, 345, (...)?
Options- A. 375
- B. 420
- C. 435
- D. 390 Discuss
- 4. 10, 5, 13, 10, 16, 20, 19, (...)?
Options- A. 22
- B. 40
- C. 38
- D. 23 Discuss
- 5. 1, 2, 4, 8, 16, 32, 64, (...), 256?
Options- A. 148
- B. 128
- C. 154
- D. 164 Discuss
- 6. 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
- 7. 1, 5, 14, 30, 50, 55, 91?
Options- A. 5
- B. 50
- C. 55
- D. 91 Discuss
- 8. Shantanu can do a piece of work in 12 days and Manu can do the same work in 10 days. If they work together, in what ratio Shantanu and Manu will receive their wages?
Options- A. 5 : 6
- B. 3 : 2
- C. 1 : 6
- D. 5 : 7 Discuss
- 9. A can do a piece of work in 9 days and B can do the same work in 15 days. if they work together, in what ratio A and B will receive their wages?
Options- A. 3 : 5
- B. 5 : 3
- C. 2 : 5
- D. 5 : 2 Discuss
- 10. A alone can do a piece of work in 8 days while B alone can do it in 10 days. If they together complete this work and get ? 900 as their remuneration, then find the share of both the persons.
Options- A. A = ? 800 and B = ? 100
- B. A = ? 500 and B = ? 400
- C. A = ? 600 and B = ? 300
- D. A = ? 300 and B = ? 600 Discuss
Odd Man Out and Series problems
Search Results
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: 92
Explanation:
Go on dividing by 6, 5, 4, 3, 2, 1 respectively to obtain the next number. Clearly, 92 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: 40
Explanation:
There are two series (10, 13, 16, 19) and (5, 10, 20, 40)one increasing by 3 and another multiplied by 2.
Correct Answer: 128
Explanation:
Each previous number is multiplied by 2.
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.
Correct Answer: 50
Explanation:
The pattern is
12 ,
12 + 22,
12 + 22 + 32,
12 + 22 + 32 + 42,
12 + 22 + 32 + 42 + 52,
12 + 22 + 32 + 42 + 52 + 62 .
But 50 is not of this pattern.
Correct Answer: 5 : 6
Explanation:
Shantanu's 1 day's work = 1/2
Manu's 1 day's work =1/10
Shantanu's share : Manu's share =(1/12) : (1/10)
= (5/60) : (6/60)
= 5 : 6
Correct Answer: 5 : 3
Explanation:
A's 1 day's work = 1/9
B's 1 day's work = 1/15
A's share : B's share = (1/9) : (1/15)
= (5/45) : (3/45)
= 5 : 3
Correct Answer: A = ? 500 and B = ? 400
Explanation:
A' s 1 day's work = 1/8
B' s 1 day's work = 1/10
? A' s share : B' s share
= 1/8 : 1/10 = 5/40 : 4/40 = 5 : 4
Let A' s share = 5k
and B' s share = 4k.
According to the question,
5k + 4k = 900
? 9k = 900
? k = 100
? A' s share = 5k = 5 x 100 = ? 500
and B' s share = 4k = 4 x 100 = ? 400.
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