In each of the following, a question is followed by thre statements marked I, II and III. Decide which of the statements are sufficient to answer the question. Choose your answer from the given alternative.

How many sons does X have ?
I. Q and U are brothers of T.
II. R is sister of P and U.
III. R and T are daughters of X.

Q. Each contains a question of two statements I and II, giving certain data. Select the correct answer from $\left(1\right)$ to $\left(4\right)$ depending on the sufficiency of data given in the statements to answer each question.
$1$. If I alone is sufficient and II alone is not sufficient to answer the question.
$2$. If II alone is sufficient and I alone is not sufficient to answer the question.
$3$. If both I and II together are sufficient but neither statement alone is sufficient to answer the question.
$4$. If both I and II together are not sufficient to answer the question and additional data specific to the question are needed.
What is the ratio of saving of A and B?
I. The ratio of income of A and B is $5:6$
II. The ratio of expenditure of A and B is $3:4$.

Q.

In these a question is followed by two statements (I) and (II). Choose a, if statement (I) is sufficient to answer the question asked, but statement (II) by itself is not sufficient to answer the question. Choose b, if statement (II) by itself is sufficient to answer the question, but statement (I) alone is not sufficient to answer the question. Choose c, if both the statements (I) and (II) together are sufficient to answer the question but neither statement by itself is sufficient to answer the question. Choose d, if the two statements, even when taken together, are not sufficient to answer the question.

Q8. How many students are enrolled in Ravi's music class?

I. If three more students sign up and none drop out, there will be more than 35 students in the class.

II. If four students drop out of the class and no more sign up, fewer than 30 students will be enrolled in the class.

Q. Each contains a question of two statements I and II, giving certain data. Select the correct answer from $\left(1\right)$ to $\left(4\right)$ depending on the sufficiency of data given in the statements to answer the each question.
$1$. If I alone is sufficient and II alone is not sufficient to answer the question.
$2$. If II alone is sufficient and I alone is not sufficient to answer the question.
$3$. If both I and II together are sufficient but neither statement alone is sufficient to answer the question.
$4$. If both I and II together are not sufficient to answer the question and additional data specific to the question are needed.
A, B and C have money with them in the ratio $5:3:1$. How much money does B have?
I. A has Rs. $60$ more than C
II. The money with B is $40\%$ less than the money with A.

Q.

In these a question is followed by two statements (I) and (II). Choose a, if statement (I) is sufficient to answer the question asked, but statement (II) by itself is not sufficient to answer the question. Choose b, if statement (II) by itself is sufficient to answer the question, but statement (I) alone is not sufficient to answer the question. Choose c, if both the statements (I) and (II) together are sufficient to answer the question but neither statement by itself is sufficient to answer the question. Choose d, if the two statements, even when taken together, are not sufficient to answer the question.

Q9. Did a candidate X in an election receive more than 40% of the 30,000 votes cast?

I. Candidate Y received 45% of the votes.

II. Candidate X received exactly 11,000 votes.

Q. In how many days A and B together complete a work ?
I. If A works alone for 10 days and B alone for 15 days, the work gets completed.
II. A can complete the work in 14 days.