K is the brother of N and X,Y is the mother of N and Z is the father of K. Which of the following statement is not definitely true.

K is the brother of N and X . so ,Y who is the mother of N and Z , who is the father of K ,will be mother and father of all three. however ,it is not mentioned whether N is male or female..

In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

A, B, D, G, ?

The first, second, third,.... letters of the series are respectively moved one, two, three,... steps forward to obtain the successive terms..

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

adb _ ac _ da _ cddcb _ dbc _ cbda

The series is adbc acbd abcd dcba dbca cbda.

Thus, the letters equidistant from the beginning and the end of series are the same.

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A + B means A is the daughter of B ;

A x B means A is the son of B and

A - B means A is the wife of B.

If P x Q - S, which of the following is true?

Option (B)

P x Q - S means P is the son of Q who is the wife of S i.e. P is the son of S or S is the father of P.

The present ages of three Ladies are in proportion 4:7:9. Eight years ago, the sum of their ages eight years ago(in years).

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

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

20x=100

x=5

Their present ages are 12 years ,27 years and 37 years respectively.

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Look at this series: 58, 52, 46, 40, 34, . . .

What number should come next?

What number should come next?

This is a simple subtraction series.

Each number is 6 less than the previous number.

(58 - 6 = 52), (52 - 6 = 46), (46 - 6 = 40), (40 - 6 = 34),(34 - 6 = 28)

So the answer is B = 28..

A family of six members naming P,Q,R,X,Y and Z. Q is the son of R but R is not the mother of Q. P and R are married couple. Y is the brother of R. X is the daughter of P. Z is the brother of P. Who is the brother in law of R.

Q is the son of R but R is not the mother. So, R is the father of Q. P is married to R. So, P is the wife of R and mother of Q.X is the daughter of P hence of R and so she is the sister of Q. Y is the brother of R and Z is brother of P and Z is brother of P. R is husband of P and Z is the brother in law of R. and Y is brother of P. R is husband of P. Z is brother of P. so, Z is brother in law of R..