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data sufficiency all data sufficiency questions and answers paper 160 - skillgun

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Please read the below given text for solving questions from 1 to 20

Each question given below has a problem and two statements numbered I and II giving certain information. You have to decide if the information given in the statements is sufficient for answering the problem. Indicate your answer as (a) if the data in the statement I alone is sufficient to answer the question; (b) if the data in the statement II alone is sufficient to answer the question; (c) if the data either in I or II alone are sufficient to answer to question; (d) if the data even in both the statements together are not sufficient to answer the question; (e) if the data in both the statement together are needed.

**Description :**From I, we conclude that Gary is the son of Camy.
From II, we conclude that Camy's wife is Eswar's mother.
This means that Eswar and Gary are the sons of Camy, and hence Eswar is the brother of Gary.
So both I and II are required.

**Description :**Statement II reveals that Sathish met his friend Nathan on that day prior to Friday
i.e., Thursday.
Thus only II is needed.

**Description :**As given in statements I and II, we have G = V= K, V+K+A=32 and A=V+K.
Putting V+K=A in second, we get 2A=32 or A=16.
Thus V+K=16 and V=K. So, V=K=8.
Thus R = 8.
Hence both statements are needed.

**Description :**Clearly, both the statements together are not sufficient to answer the question.

**Description :**From I we have, P>M,P>K,A>P.
From II we have, M>K, P>M, A>P.
Combining the above two, we have: A>P>M>K.
Thus Akmal is the heaviest.
So both the statements are required.

**Description :**From both the statements we obtain this sequence 15th>Wednesday>Pavan, 16th>Thursday>Quadri, 17th>Friday>Ravi, 18th>Saturday>Sohail. Thus both I and II are required.

**Description :**I reveals that 58th is the last rank in the class.
This means that there are 58 students in the class.
So, I alone is sufficient.
Also, from II, we find that Priya's rank in the class is 10th from the top and 49th from the last.
So there are 58 students in the class.
Thus II alone is sufficient.

**Description :**Statement I is merely an interpretation of the information contained in the question.
However, Senthil's salary can be determined from Statement II as follows: Let Senthil's and Javed's salaries be 4x and 4x respectively.
Then 3x=4500 or x= 1500.
Therefore Senthils salary 6000.
Thus II alone is sufficient.

**Description :**From statement II, we conclude that Satish left his home 20 minutes before 11.30 a.m. i.e., 11.10 a.m.
Thus only II is needed.

**Description :**From both I and II together, we can conclude that Pavi and Qamran are the children of Sonu, But the sex of Pavi and the third child of Sonu is not known,
So both the statements together are also not sufficient to answer the question.

**Description :**From I, we find that the weight of one sheep is 40kg and so the weight of 5 sheeps is 200 kg.
Thus I alone is sufficient.
From II we have weight of one sheep is 40kg, so weight of 5 sheeps is 200 kg.
Thus II alone is also sufficient.

**Description :**From I we have: A-4000=1000 or A=5000. i.e. Arun's monthly salary is 5000.
From II we have A+R/2=4500 or A+4000 = 9000 or A = 5000.
Thus either I or II is sufficient.

**Description :**From I we have Satish < Praveen, Satish < Ramesh.
From II we have Tarun < John < Satish.
Combining the above two we get Tarun < John < Satish < (Praveen and Ramesh).
So Tarun is the shortest.
Clearly both the statements are needed to answer the question.

**Description :**From both the statements together, we can conclude that the price range of normal saree in Kalanjali show room is Rs.1000 and Rs.2000.
Thus both I and II are required.

**Description :**From statement II, we conclude that the total amount of rice exported from Japan is 1.9 million tonnes.
So the answer to the given question can be derived from statement II alone.

**Description :**From both the statements together, we conclude that the price of the flat is Rs.30,00,000. So Raj had to pay Rs 20,00,000 more.
Thus both I and II are required.

**Description :**From statement II, we conclude that number of votes cast is 80,000.
From statement II we conclude that votes polled by candidate A is 64,000.
So both the statements are required.

**Description :**Clearly even both the statements together do not reveal Madan's birthday.

**Description :**Clearly, the birthday of Amsa's mother can be found out from II and then Amsa's birthday can be determined using the fact fiven in I.
Thus both the statements are required.

**Description :**From I we find that the total money with Naren and Arun is Rs.21000.
From II we find that money with Arun is Rs. 15750.
So both I and II are required.