Mental Ability - Number, Ranking & Time Sequence Questions and Answers
Number, Ranking, and Time Sequence questions are a vital part of aptitude questions and answers frequently asked in competitive exams like SSC, TCS, Infosys, and Wipro placement tests. These problems test your logical sequencing and analytical ability by requiring you to identify numerical patterns, determine positions in a sequence, or compare rankings within a group. Practicing number and ranking aptitude questions with solutions PDF helps students strengthen their logical reasoning and problem-solving speed. This section provides detailed explanations for each question to help you master time sequence problems efficiently and prepare confidently for aptitude test practice online.
Mental Ability - Number, Ranking & Time Sequence
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79 questions
11. How many 6's are there in the following number sequence which are immeditely preceded by 9 but not immediately followed by 4 ? 5 6 4 3 2 9 6 3 1 6 4 9 6 4 2 1 5 9 6 7 2 1 4 7 4 9 6 4 2
- One
- Two
- Three
- Four
12. In the follwing series of numbers, find out hw many times, 1, 3 and 7 have appeared together, 7 being in the middle and 1 and 3 on either side of 7 ? 2 9 7 3 1 7 3 7 7 1 3 3 1 7 3 8 5 7 1 3 7 7 1 7 3 9 0 6
- 3
- 4
- 5
- More than 5
13. In the series, 6 4 1 2 2 8 7 4 2 1 5 3 8 6 2 1 7 1 4 1 3 2 8 6 How many pairs alternate numbers have a difference of 2 ?
- One
- Two
- Three
- Four
14. How many even numbers are there in the following sequence of numbers which are immediately followed by an odd number as well as immediately preceded by an even number ? 8 6 7 6 8 9 3 2 7 5 3 4 2 2 3 5 5 2 2 8 1 1 9
- One
- Three
- Five
- Six
15. Study the following number sequence and answer the questions given beow it : 5 1 4 7 3 9 8 5 7 2 6 3 1 5 8 6 3 8 5 2 2 4 3 4 9 6 How many odd numbers are there in the sequence which are immediately followed by an odd number ?
- 1
- 2
- 3
- 4
16. Study the following number sequence and answer the questions given beow it : 5 1 4 7 3 9 8 5 7 2 6 3 1 5 8 6 3 8 5 2 2 4 3 4 9 6 How many even numbers are there in the sequence which are immediately preceded by an odd number but immediately followed by an even number ?
- 1
- 2
- 3
- 4
17. Study the following number sequence and answer the questions given beow it : 5 1 4 7 3 9 8 5 7 2 6 3 1 5 8 6 3 8 5 2 2 4 3 4 9 6 How many odd numbers are there in the sequence which are immediately preceded and also immediately followed by an even number ?
- 1
- 2
- 3
- 4
18. In he follwing series, how many such odd numbers are there which are divisible by 3 or 5, then followed by odd numbers and then also followed by even numbers ? 12, 19, 21, 3, 25, 18, 35, 20, 22, 21, 45, 46, 47, 48, 9, 50, 52, 54, 55, 56
- Nil
- One
- Two
- Three
19. In following number sequence, how many such even numbers are there which are exactly divisible by its immediate preceding number but not exactly divisible by its immediate following number ? 3 8 4 1 5 7 2 8 3 4 8 9 3 9 4 2 1 5 8 2
- One
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- Three
- Four
20. Nitin was codown from 32. Sumit was counting upwards the numbers starting from 1 and he was calling out only the odd numbers. What common number will they call out at the same time if they were calling out at the same speed ?
- 19
- 21
- 22
- They will not call out the same number