## FeedBack Form

Your Name : : : :
FeedBack

## ODD MAN OUT -> EXERCISE

1. Insert the missing number :
2, 6, 12, 20, 30, 42, 56, (.....)

• A. 60
• B. 64
• C. 72
• D. 70
 Ans: C. Sol. The pattern is 1 × 2, 2 × 3, 3 × 4, 4 × 5, 5 × 6, 6 × 7, 7 × 8. So, the next numbers is 8 × 9 = 72.

2. Find the odd man out :
16, 25, 36, 72, 144, 196, 225

• A. 36
• B. 72
• C. 196
• D. 225
 Ans: B. Sol. Each of the numbers except 72, is a perfect square.

3. Find the odd man out :
2, 5, 10, 50, 500, 5000

• A. 0
• B. 5
• C. 10
• D. 5000
 Ans: D. Sol. Pattern is 1st × 2nd = 3rd; 2nd × 3rd = 4th; 3rd × 4th = 5th; But, 4th × 5th = 50 × 500 = 25000 ‡ 5000 = 6th.

4. Find out the wrong number in the series :
19, 26, 33, 46, 59, 74, 91

• A. 26
• B. 33
• C. 46
• D. 59
 Ans: B. Sol. Go on adding 7, 9, 11, 13, 15, 17 respectively to obtain the next number. So, 33 is wrong.

5. Find the odd man out :
253, 136, 352, 460, 324, 631, 244

• A. 136
• B. 324
• C. 352
• D. 631
 Ans: B. Sol. Sum of the digits in each number, except 324 is 10.