Question
Four of the following five are alike in a certain way
and hence they form a group. Which one of the following does not belong to that group? Answer the questions based on the information given below: Eight Person C, G, I, K, V, X, N and A are born in different years -1978, 1981, 1983, 1985, 1989, 1994, 1997 and 1999. Each person’s age are calculated with respect to the current year (2020), same month and same date. Each one of them has different number of biscuit from 1 to 8 but not in the same order. C and N’s age difference and their difference of biscuit are same, in which their difference of ages will be the number of biscuit for K. A is 4 years older than N. Sum of number of biscuit of I and A's is 8. V was born before 1997. Number of biscuit of V is below 3. Number of biscuit of K is above 4. Both I and A's does not have even number of biscuit. Number of biscuit of N is three times of number of biscuit of A. Three persons were born between I and X. X was born after I. less than three persons were born between K and N. More than three persons were born between G and V. G was born on odd number year. Sum of number of biscuit of G and V is 6.Solution
A is 4 years older than N. 
Sum of number of biscuit of I and A's is 8 I and A's does not have even number of biscuit. Number of biscuit of N is three times of number of biscuit of A. I + A = 8 => 7 + 1= 8 and number of biscuit N is 3 C and N’s age difference and their difference of biscuit are same, in which their difference of ages will be the number of biscuit for K. C –N = 5(biscuit and age ) => 8 – 3 = 5 Number of biscuit of K is above 4. Number of biscuit of K is 5 Number of biscuit of V is below 3 Three persons were born between I and X. X was born after I. Sum of number of biscuit of G and V is 6. G + V = 6 => 4 + 2 = 6 and X’s biscuit is 6 
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