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
1. Which is the third number to the left of the number which is exactly in the middle of the following sequence of numbers ? 1 2 3 4 5 6 7 8 9 2 4 6 8 9 7 5 3 1 9 8 7 6 5 4 3 2 1
- 3
- 4
- 5
- 6
2. How many 3's are there in the following sequence which are neither preceded by 6 nor immediately follwed by 9 ? 9 3 6 6 3 9 5 9 3 7 8 9 1 6 3 9 6 3 9
- One
- Two
- Three
- Four
3. Cunt each 7 which is not immediately preceded by 5 but is immediately followed by either 2 or 3. How many such 7's are there ? 5 7 2 6 5 7 3 8 3 7 3 2 5 7 2 7 3 4 8 2 6 7 8
- 2
- 3
- 4
- 5
4. How many 6's are there in the following series of numbers which are preceded by 7 but not immediately followed by 9 ? 6 7 9 5 6 9 7 6 8 7 6 7 8 6 9 4 6 7 7 6 9 5 7 6 3
- One
- Two
- Three
- Four
5. How many 7's are there in the following series which are not immediately followed by 3 but immediately preceded by 8 ? 8 9 8 7 6 2 2 6 3 2 6 9 7 3 2 8 7 2 7 7 8 7 3 7 7 9 4
- 10
- 3
- 2
- 0
6. Count each 1 in the following sequence f numbers that is immediately followed by 2, if 2 is not immediately followed by 3. How many such 1's are there ? 1 2 1 3 4 5 1 2 3 5 2 1 2 6 1 4 5 1 1 2 4 1 2 3 2 1 7 5 2 1 2 5
- 2
- 4
- 5
- 7
7. How many 7's are there in the following series which are preceded by 6 which is not preceded by 8 ? 8 7 6 7 8 6 7 5 6 7 9 76 1 6 7 7 6 8 8 6 9 7 6 8 7
- Nil
- One
- Two
- Three
8. In the following list of numerals, how many 2's are followed by 1's but not preceded by 4 ? 4 2 1 2 1 4 2 1 1 2 4 4 4 1 2 2 1 2 1 4 4 2 1 4 2 1 2 1 2 4 1 42 1 2 4 1 4 6
- Two
- Three
- Four
- Five
10. Study the number series given below and answer the questions that folow : 7 8 9 7 6 5 3 4 2 8 9 7 2 4 5 9 2 9 7 6 4 7 Which figures have equal frequency ?
- 253
- 245
- 375
- 865