GKF, IPC, LTY, PWT, ___, AZG

Find missing?

The given series is a mixed series . Pattern for the first letter:

G+1=I, I+2=L, L+3=P, P+4=U, U+5=A

Pattern with gap for the second letter:

K+5=P, P+4=T, T+3=W, W+2=Y, Y+1=Z

Pattern for the third letter:

F-2=C, C-3=Y, Y-4=T, T-5=N, N-6=G

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In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative.

a _ c _ abb _ a _ bc _ bc _ ab

The series is abccab / bcaabc / abccab.

Obviously, the pattern abccab / bcaabc is repeated.

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Salesman, engineer and accountant. There are two married couples in the family. D, the salesman is married to the lady teacher. The doctor is married to the lawyer. F, the accountant is the son of B and brother of E. C, the lawyer is the daughter in law of A. E is the unmarried engineer. A Is the grandmother of F. What is the profession of A.

C is the daughter in law of A who is the grandmother of F means C is the mother of F. But F is the son of B. So, B is C's husband. But C, the lawyer, is married to the doctor. So, B is the doctor. F, the accountant, will be the son of B and C. E is the unmarried engineer. So, the other married couple can be that of grandmother of F i.e, A and D. But D, the salesman, is married to the lady teacher. So, D, the salesman, is the grandfather of F, father of B and the husband of A, the lady teacher. A is the lady teacher..

The present age of three persons are in proportion 4:7:9. Eight years ago the sum of their ages is 76. Find their present ages?(in years)

Let the present ages be 4x,7x,9x years respectively.

Then (4x-8)+(7x-8)+(9x-8)=76

20x=100

x=100/20

x=5

There present ages be 20,35,45 years respectively.

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