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Home ‣ Aptitude ‣ Odd Man Out and Series See What Others Are Saying!
- Question
Find the odd number in the given number series? 14, 27, 105, 525, 4993
Options- A. 27
- B. 105
- C. 525
- D. 4993
- Correct Answer
- 525
ExplanationThe given number series is 14, 27, 105, 525, 4993
14
14 x 2 - 1 = 27
27 x 4 - 3 = 105
105 x 6 - 5 = 625 (not 525)
625 x 8 - 7 = 4993
Hence, the odd man or number in the given number series is 525.
- 1. 112 × 54 =
Options- A. 68947
- B. 69874
- C. 70000
- D. 76000 Discuss
- 2. On dividing a number by 38, we get 70 as quotient and 12 as remainder. What is the number?
Options- A. 2648
- B. 2636
- C. 2684
- D. 2672 Discuss
- 3. In a group of buffaloes and ducks, the number of legs are 24 more than twice the number of heads. What is the number of buffaloes in the group ?
Options- A. 6
- B. 10
- C. 8
- D. 12 Discuss
- 4. If a + b = 8 and a2 + b2 = 34 , then value of ab is
Options- A. 30
- B. 64
- C. 98
- D. 15 Discuss
- 5. Simplify the following and find the value of ? 13 of ? + 47 of 114 of 539 = 31% of 2000
Options- A. 1134
- B. 1237
- C. 1187
- D. 1249 Discuss
- 6. If 7x + 2 ? x - 2 and 7 + 2x ? 3 + 3x; then x can take which of the following values?
Options- A. 5
- B. 3
- C. -3
- D. -5 Discuss
- 7. Simplify 2392-21+8-72=?2
Options- A. 4
- B. 5
- C. 6
- D. 9 Discuss
- 8. If (1 + cosA)/(1 - cosA) = x, then x is
Options- A. cot2A/(secA - 1)2
- B. cot2A/(secA + 1)2
- C. tan2A/(secA + 1)2
- D. tan2A/(secA - 1)2 Discuss
- 9. By how much is three-fifth of 350 greater than four-seventh of 210 ?
Options- A. 90
- B. 100
- C. 110
- D. 120 Discuss
- 10. Which of the following quadratic equations has real roots?
Options- A. 4x2 - 3x + 6 = 0
- B. 2x2 + 7x + 6 = 0
- C. x2 - 2x + 4 = 0
- D. 3x2 - 4x + 3 = 0 Discuss
More questions
Correct Answer: 70000
Explanation:
= 70,000.
Correct Answer: 2672
Correct Answer: 12
Explanation:
Let the number of buffaoes be x and number of ducks be y.
Then 4x + 2y = 2(x + y) + 24
=> 2x = 24
=> x = 12.
Correct Answer: 15
Correct Answer: 1134
Explanation:
Correct Answer: 3
Correct Answer: 6
Explanation:
Correct Answer: tan2A/(secA - 1)2
Correct Answer: 90
Explanation:
3/5 of 350 - 4/7 of 210 = 210 - 120 = 90.
Correct Answer: 2x2 + 7x + 6 = 0
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