DIRECTIONS for the question 1 to 3: Go through all the options and mark the one which does not belong to the group.

DIRECTIONS for the question 1 to 3: Go through all the options and mark the one which does not belong to the group.

1. 1. 71-55
   2. 517-523
   3. 248-231
   4. 547-563
   Answer: Option C
   248-231 = 17
   563-547=16
   71-55=16
   523-517=06
   Except in the number pair 248-231, in all others number pair, the difference between the two numbers is an even number.
2. 10, 13, 234, 681, 997
   
   1. 681
   2. 13
   3. 234
   4. 10
   Answer: Option A
   10⇒ 1+0 =1 or 1^2
   13⇒ 1+3 = 4 or 2^2
   234 ⇒ 2+3+4 = 9 or 3^2
   681 ⇒ 6+8+1 = [15]
   997 ⇒ 9+9+7 = 25 or 5^2
   So the sum of the digits in all the numbers is a perfect square except for 681, hence that is odd.
3. Choose amongst the Options below. 
   
   1. Heed
   2. Led
   3. Heap
   4. Head
   Answer: Option B
   Except in the word Led, in all other words there are two vowels.
   Hence the answer is option B.

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DIRECTIONS for the question 1 to 3: Go through all the options and mark the one which does not belong to the group.

DIRECTIONS for the question 1 to 3: Go through all the options and mark the one which does not belong to the group.

DIRECTIONS for the question 1 to 3: Go through all the options and mark the one which does not belong to the group.