Q1. 11, 13, 17, 19, 21, 23
Answer- Option A
Explanation-
All the numbers are prime except 21.
Q2. 9, 15, 24, 27, 31, 33, 39
Answer- Option B
Explanation-
All the numbers are multiple of 3 except 31.
Q3. 6, 8, 12, 20, 22, 25, 26
Answer- Option A
Explanation-
All the numbers are multiple of 2 except 25.
Q4. 121, 385, 572, 242, 624, 781
| A. 572 |
B. 242 |
| C. 781 |
D. 624 |
Answer- Option D
Explanation-
In each number, middle digit is equal to the sum of other two digits except 624.
Q5. 2, 5, 10, 50, 500, 5000
| A. 50 |
B. 10 |
| C. 5000 |
D. 500 |
Answer- Option C
Explanation-
In the question, pattern is 1st x 2nd = 3rd; 2nd x 3rd = 4th; 3rd x 4th = 5th'
But 4th x 5th = 50 x 500 = 25000 ≠ 5000
5000 is the odd man out.
Q6. 4, 5, 7, 10, 14, 18, 25, 32
Answer- Option D
Explanation-
Here pattern is 2nd = (1st + 1); 3rd = (2nd + 2); 4th = (3rd + 3); 5th = (4th + 4);
But 6th = (5th + 5) = 14 + 5 = 19 ≠ 18
Q7. 19, 28, 39, 52, 67, 84, 102
Answer- Option B
Explanation-
Here, pattern is x
2 + 3, where x = 4, 5, 6, 7, 8, etc. But 102 is out of pattern
