11. 5, 16, 6, 16, 7, 16, 7, 16, 9 ?

1. 1. 9

   
   
   

   2. 7

   
   
   

   3. 6

   
   
   

   4. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   Terms at odd places are 5, 6, 7, 8 etc. and each term at even place is 16. So, 9 is wrong.

   Correct Option: A

   Terms at odd places are 5, 6, 7, 8 etc. and each term at even place is 16. So, 9 is wrong.

---

12. 582, 605, 588, 611, 634, 617, 600 ?

1. 1. 634

   
   
   

   2. 611

   
   
   

   3. 605

   
   
   

   4. 600

   
   
   

---

1. View Hint View Answer Discuss in Forum

   Alternately 23 is added and 17 is subtracted from the terms. So, 634 is wrong.

   Correct Option: A

   Alternately 23 is added and 17 is subtracted from the terms. So, 634 is wrong.

---

---

13. 22, 33, 66, 99, 121, 279, 594 ?

1. 1. 33

   
   
   

   2. 121

   
   
   

   3. 279

   
   
   

   4. 594

   
   
   

---

1. View Hint View Answer Discuss in Forum

   Each number except 279 is a multiple of 11.

   Correct Option: C

   Each number except 279 is a multiple of 11.

---

14. 2, 5, 10, 50, 500, 5000 ?

1. 1. 0

   
   
   

   2. 5

   
   
   

   3. 10

   
   
   

   4. 5000

   
   
   

---

1. View Hint View Answer Discuss in Forum

   Pattern is 1st x 2nd = 3rd; 2nd x 3rd = 4th, 3rd x 4th = 5th.

   Correct Option: D

   Pattern is 1st x 2nd = 3rd; 2nd x 3rd = 4th, 3rd x 4th = 5th. But 4th x 5th = 50 x 500 = 25000 ≠ 5000 = 6th.
   

---

---

15. 1, 8, 27, 64, 125, 216, (...) :

1. 1. 354

   
   
   

   2. 343

   
   
   

   3. 392

   
   
   

   4. 245

   
   
   

---

1. View Hint View Answer Discuss in Forum

   Number are 1³, 2³, 3³, 4³, 5³, 6³.

   Correct Option: B

   Number are 1³, 2³, 3³, 4³, 5³, 6³.
   
   So, the missing number is 7³ = 343.

---