Jaikishan and Premkishan Solutions for Exercise 1: Let us Practice

S is the father of R. R is the only son of U. U is the daughter of J. J has only two children. K is the son of J. If X is the grand-daughter of J, then how is U related to X?

S is the father of R. R is the only son of U. U is the daughter of J. J has only two children. K is the son of J. How is S related to K?

Read the following information carefully to choose the best option for the question.
'L % M' means that 'M is the brother of L'.
'L $\times$ M' means that 'L is the mother of M'.
'L + M' means that 'L is the sister of M'.
'L = M' means that 'M is the father of L'.
Which of the following means 'I is the nephew of Q'?
I. Q % J = I
II. Q + M $\times$ B % I
III. C + I = B % Q

Study the following information carefully to answer the question.
(i) 'P * Q' means 'P is the father of Q'.
(ii) 'P # Q' means 'P is the sister of Q'.
(iii) 'P + Q' means 'P is the brother of Q'.
(iv) 'P - Q' means 'P is the mother of Q'.
(v) 'P / Q' means 'P is son of Q'.
(vi) 'P = Q' means 'P is daughter of Q'.
If Z * X - Y is given, then which of the following is true?

Study the following information carefully to answer the question.
(i) 'P $\times$ Q' means 'P is the father of Q'.
(ii) 'P # Q' means 'P is the sister of Q'.
(iii) 'P + Q' means 'P is the brother of Q'.
(iv) 'P - Q' means 'P is the mother of Q'.
(v) 'P $÷$ Q' means 'P is the son of Q'.
(vi) 'P = Q' means 'P is the daughter of Q'.

Which of the following means 'Z has two children'?

Study the following information carefully to answer the question.
(i) 'P * Q' means 'P is the father of Q'.
(ii) 'P # Q' means 'P is the sister of Q'.
(iii) 'P + Q' means 'P is the brother of Q'.
(iv) 'P - Q' means 'P is the mother of Q'.
(v) 'P / Q' means 'P is son of Q'.
(vi) 'P = Q' means 'P is daughter of Q'.
Which of the following means 'X is the grandfather of Y'?

Study the following information carefully to answer the question.
(i) 'P * Q' means 'P is the father of Q'.
(ii) 'P # Q' means 'P is the sister of Q'.
(iii) 'P + Q' means 'P is the brother of Q'.
(iv) 'P - Q' means 'P is the mother of Q'.
(v) 'P / Q' means 'P is son of Q'.
(vi) 'P = Q' means 'P is daughter of Q'.
Which of the following means 'Y is the mother of X and Z'?

Study the following information carefully to answer the question.
(i) If 'A + B' means 'A is the father of B'.
(ii) If 'A $\times$ B' means 'A is the sister of B'.
(iii) If 'A $ B' means 'A is the wife of B'.
(iv) If 'A % B' means 'A is the mother of B'.
(v) If 'A + B' means 'A is the son of B'.
Which among the following options is true, if the expression 'I + T % J $\times$ L + K' is definitely true?