Data sufficiency SHORT CUTS FOR REASONING ABILITY
Direction: Each of the questions below consist of a question and 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.
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 both in statement I and statement II together are not sufficient to answer the question.
e. If the data both in statement I and statement II together are necessary to answer the question.
1. What is the colour of the fresh grass?
i) Blue is called green , red is called orange, orange is called yellow.
ii) Yellow is called white , white is called black, green is called brown and brown is called purple .
2. What does nip stands for in a code language ?
i) In the code language ,that is very beautiful is written as , " nip sto sre tip "
ii) In the same code language , " my house is beautiful is written as " nip sto sre tip .
3. In a certain code , nop al ed means they like flower . Which code word means flowers?
i) Id nim nop means they are innocent .
ii) gob ots al means we like roses .
4. What is the code for sky in the code language ?
i) In the code language , sky is clear is written as de ga jo
ii) In the same code language , make is clear is written as de ra fa.
5. How J related to p?
i) M is the brother of P and T is the sister of P.
ii) P's mother is married to J's husband, who has one son and two daughter .
6 .How is T related to K?
I) R's sister J has married T's brother L, who is the only son of his parent.
ii) K is the only daughter of L and J.
7.B is the brother of A . How is A related to B?
iii) A is the sister of C.
iv) E is the husband of A .
8. How is M related to N ?
I) P, who has only two kids , M and N is the mother -in-law of Q , who is sister -in-law of N.
II) R, the sister-in-law of M, is the daughter -in -law of S, who has only two kids , M and N.
9. P, Q, R,and S are sitting around a circle facing at the center. Who is to the immediate right of Q?
i) R is between P and S
ii) S is to the immediate right of R.
10. What is Sumit's position from the right in a row of children?
i) There are ten children between sumit and ranjan
ii) Ranjan is the twentieth from the left end of the row of the children
11. What is the Nitin's rank from the top in a class of 40 students?
i) There are ten student between Nitin and Deepak
ii) Deepak is the twentieth from the top
12. On which date of the month was Anjali born in february , 2004 ?
i) Anjali was born on an even date of the month.
ii) Anjali's birthdate was a prime number.
13. Which train did Aman catch to go to office?
i) Aman missed his usual train of 10:25 a.m..A train comes in every five minutes .
ii) Aman did not catch the train 10:40 a.m, train or any train after that time
Soln .
1. (b). The colour of fresh grass is green and as given in II , green is called brown . So the color of fresh grass is brown
2. (d). In I and II , the common codes are nip and sre and the common words are is and beautiful . So nip and sre are the codes for is and beautiful . But the exact word for nip; cannot be found out
3. (e). In the given statement, and I , the common word is they and the common code word is nop . So , nop is the code for They . In the given statement and II , the common word is like and the common code word is al . So , al is the code for like . Thus , in the given statement, ed is the code for flowers.
4. (d). The only word common to I and II is clear and as such , only the code for clear can be ascertained from the given information .
5. (b). From II, we know that P's mother is married to J's husband , which means that J is P's mother .
6. (e). From I, we know that L is T's brother and J's husband . Since L is the only son of his parents , T is L's sister .
From II, we know that K is L's daughter .
Thus , from I and II, we conclude that T is the sister of K's father i.e.T is K's aunt.
7.(c) . B is A's brother means A is either brother or sister of
B. Now , each one of I and II individually indicates
that A is female , which means that A is B's sister .
8.(a). From I, we conclude that P is the mother of M and N , while Q is the daughter -in-law of P and sister -in-law of N. Thus , Q is M's wife and hence , M is N's brother . From II, we conclude that M and N are the children of S. Also, R is the daughter -in-las of S . Hence , M is either brother or sister of N.
Answer is (d).. Clearly, neither the number of children in the row is given nor the position of Sumit relative to Ranjan is mentioned in any one of I or II.
11. Answer is (d). Since there are ten students between Nitin and Deepak , so Nitin may be eleven ranks above or below Deepak . Thus Nitin may be 9th, or 31st from the top.
12. Answer is (e). From I and II , We conclude that Anjali was born in February, 2004 on a date which is an even prime number . Since the only even prime number is 2 , so Anjali was born on 2nd February, 2004.
13. Answer is (d). From I and II , we conclude that Aman went to office by either 10:30 a.m. or 10:35 a.m train.
