- Sequential Output Tracing (Input Output)
- Syllogism
- Critical Reasoning: Assumptions & Conclusions
- Relationships
- Cause & Effect
- Circular Arrangement
- Coding-Decoding
- Complex Arrangements
- Critical Reasoning: Course of Action
- Critical Path
- Direction and Word Puzzle
- Games And Tournaments
- Linear Arrangement
- Team Selection
- Venn Diagram
- Bar Graphs
- Data Sufficiency
- Line Graph
- Pie Chart
- Tables and Caselets

Q. 1: Which digit does the letter A represent?

: As we can see that F + F gives F unit digit it is possible only when F = 0 So F has to be 0.__Explanation__

Now H + H + carry (if it is there) gives F as unit digit it is possible when H = 5 (we have max 9+9 = 18 so we will never have a carry equal to 2 so H + H = 10 is only possibility) Thus H has to be 5. A also is necessarily 1 because maximum carryover can be 1. C will have to be 2 because 1 is already taken now. And only number possible for B is 9 then to get 1 below. Thus we get:

9 5 1 1 G 0

1 5 J 0 K 0

1 1 0 G 2 1 0

Now possible J, G, K are 3 ,4, 7 or 6,7,4 or 7,8,3

Correct Answer: A is 1

Q. 2: Which digit does the letter B represent?

Correct Answer: B is 9

Q. 3: Which among the digits 3, 4, 6 and 7 cannot be represented by the letter D?

Correct Answer: D can never be 7 because J,G or K are always 7

Q. 4: Which among the digits 4, 6, 7 and 8 cannot be represented by the letter G?

Correct Answer: G cannot be represented by 6

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