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Given: Eight persons A, B, C, D, E, F, G, Hare sitting around circular table facing the center.

1) C is third to the right of A.

2) E is second to the left of C.

3) B is opposite A.

4) D is to the immediate right of B.

5. G is an immediate neighbor of F, who is not an immediate neighbor of A.

After positioning D, F and G only one position is left which will be occupied by the only person left i.e. H.

Thus, B is sitting to the immediate left of D.

Hence, "Option 3" is the correct answer.

The logic followed here is:

Option 1) 13-17 → Pair of prime numbers

Option 2) 24-28 → Pair of composite numbers

Option 3) 19-23 → Pair of prime numbers

Option 4) 37-41 → Pair of prime numbers

Hence, "Option 2" is the correct answer.

Alternate MethodOption 1) 13-17 → Pair of odd numbers

Option 2) 24-28 → Pair of even numbers

Option 3) 19-23 → Pair of odd numbers

Option 4) 37-41 → Pair of odd numbers

According to the question:

Total students → 120

Number of boys is twice that of girls → Boys : Girls = 2 : 1

This means 80 boys and 40 girls are there in the class.

Rohan's rank from the top → 28^th. 

So, 27 students are ahead of Rohan.

Also, there are 18 girls ahead of him

Number of boys ahead of Rohan → 27 - 18 = 9

Number of boys behind Rohan → Total boys - Number of boys ahead of Rohan - Rohan (boy)

→ 80 - 9 - 1 = 70

Hence, "Option 2" is the correct answer.

The logic followed here is:

Option 1) 28 → 2 + 8 = 10 ≠ 9

Option 2) 45 → 4 + 5 = 9

Option 3) 63 → 6 + 3 = 9

Option 4) 36 → 3 + 6 = 9

Hence, "Option 1" is the correct answer.

Alternate MethodOption 1) 28 → Not Divisible by 3

Option 2) 45 → Divisible by 3

Option 3) 63 → Divisible by 3

Option 4) 36 → Divisible by 3

The logic followed here is:

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Hence, "Option 1" is the correct answer.

The logic applied for the given input is:

1. The rearrangement rule is to move the "alphabetically smallest word" to the leftmost side and the "numerically largest number" to the rightmost side in each step.

2. This process continues until all words are at the left, sorted alphabetically, and all numbers are at the right, sorted in descending order.

Input: Shine 34 12 Gravity 91 20 Echo Bounce Mirror 73 50

Step 1: Bounce Shine 34 12 Gravity 20 Echo Mirror 73 50 91

Step 2: Bounce Echo Shine 34 12 Gravity 20 Mirror 50 73 91

Step 3: Bounce Echo Gravity Shine 34 12 20 Mirror 50 73 91

Step 4: Bounce Echo Gravity Mirror Shine 12 20 34 50 73 91

Thus, word that is placed at the 3^rd position from the left in Step IV is → Gravity

Hence, the correct answer is "Option 2".

The logic followed here is:

40321 : 62543

Similarly,

56120 : ?

Hence, the correct answer is "Option 2".

The logic followed here is:

​

Hence, "Option 2" is the correct answer.

The logic followed here is:

​

Hence, "Option 4" is the correct answer.

The logic followed here is:

Option 1) 231 → 2 + 3 + 1 = 6

Option 2) 123 → 1 + 2 + 3 = 6

Option 3) 312 → 3 + 1 + 2 = 6

Option 4) 214 → 2 + 1 + 4 = 7 ≠ 6

Hence, "Option 4" is the correct answer.

Alternate MethodOption 1) 231 → Divisible by 3

Option 2) 123 → Divisible by 3

Option 3) 312 → Divisible by 3

Option 4) 214 → Not Divisible by 3

Alternate MethodOption 1) 231 → Contains digits 1, 2 and 3

Option 2) 123 → Contains digits 1, 2 and 3

Option 3) 312 → Contains digits 1, 2 and 3

Option 4) 214 → Contains digits 1, 2 and 4