Data Sufficiency (8)

Directions (1-15): Each of the questions below consist of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and give answer

(a) if the data in statement I alone are sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.
(b) if the data in statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question.
(c) if the data either in statement I alone or in statement II alone are sufficient to answer the question.
(d) if the data in both statement I and II together are not sufficient to answer the question.
(e) if the data in both statement I and II together are necessary to answer the question.

 

Q1. Who is uncle of T?
I. P, who is brother of M and father of T.
II. M is father of S. R is mother of T’s sister.

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Q2. Among A, B, C, D, E and F, who is heaviest?
I. F is heavier than D but lighter than A.
II. D is heavier than C and E.

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2. Ans.(d)
Sol. From1 – A>F>D   , From 2- D> C/E
From Both- A>F>D>C,E
But we did not know about B from both the statement.

Q3. What is code of Black ?
I. “Black and white cow “is coded as- “sh th mh nh.” “All are white ground” is coded as “th zx cv bh”
II.” Only cow are animal” is coded as-” mh bh nx wq”.

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3. Ans.(d)
Sol. From 1-We can not decide. From 2- We can not decide.
From Both-We can not decide also.

Q4. How is P related to E?
I. P is the son of X.E is the daughter of X.
II. E is the brother of P’s only sister X. E is the son of Y.

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Q5. V, W, X, Y and Z are sitting in a row. If Y is sitting middle of the row, who is sitting second from left? (All are facing north.)
I. Z is sitting immediate right of Y, but on the left of W. X does not sit any of the extreme end of line.
II. X always sits at either of the extreme ends. Neither Y nor W is an immediate neighbour of X.

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Q6. Who amongst A, B, C, D and E is the tallest?
I. A is taller than B. E is not the tallest.
II. C is taller than A. D is not the tallest.

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6. Ans.(e)
Sol. From 1- A>B and E is not tallest.
From 2- C>A and D is not tallest.
From both 1 and 2- C>A>B and given that both D and E are not tallest. So we can say     that C is  tallest.

Q7. Who is brother in law of D?
I.M and Z are brothers of B and E is wife of Z .
II.D is mother of U and is wife of B’s brother .

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Q8. In which month of the year did Mohit go abroad for a vacation?
I. Mohit correctly remembers that he went for a vacation in the first half of the year.
II. Mohit’s wife correctly remembers that they went for a vacation after 31st March but before 1st May.

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8. Ans.(b)
Sol. From 1- We can not decide.
From 2- April.

Q9. Is P is maternal aunt of M?
I. A is son of P. A is brother of B. B is daughter of C. F is sister of C. M is daughter of F.
II. D is father of M. F is mother of M. K is brother of F. K has two children J and R. P is married to K.

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Q10. Among V,W,X,Y and Z, seated in a straight line facing south, who sits at the extreme end of the row?
I. W sits second to right of V. Z is not immediate neighbor of Y.
II. V sits third to left of Y. W sits on the immediate right of X.

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Q11. In which direction is point A, with reference to point B?
I. Point D is to the east of point A. Point A is to the south of point F.
II. Point F is to the north-west to point B. Point D is to the north of point B.

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Q12. On which day of the same week is Siddharth’s exam scheduled (Monday being the first day of the week)?
I. Siddharth correctly remembers that his exam is scheduled on a day after Tuesday, but before Thursday of the same week.
II. Siddharth’s father correctly remembers that Siddharth’s exam is scheduled on the third day of the week.

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12. Ans.(c)
Sol. From 1- Wednesday, From 2- Wednesday

Q13. How many marks has Shubhra scored in the test? (Maximum marks 20)
I. Shubhra scored two-digit marks. Her marks were not in decimals.
II. Shubhra scored more than 9 marks in the test.

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13. Ans.(d)
Sol. From 1-We can not decide. From 2- we can not decide also. Even after combining both we can not decide.

Q14. P, Q, R, S and T are sitting around a circle facing towards its centre. Who is second to the right of P?
I. R is to the immediate left of T and second to the right of S.
II. Q is to the immediate right of S and third to the left of P.

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Q15. Who is sitting to the immediate right to Manisha among five friends sitting around a circle facing the centre?
I. Sherya is sitting exactly between Kajal and Sneha and Raj is sitting to the immediate right of Sneha.
II. Manisha is sitting exactly between Kajal and Raj and Sherya is sitting to the immediate right of Kajal.

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