Data Sufficiency 3
11) How many students are there in the row facing north?
I. Ram is eight from the left end is sixth to the left of Raja who is eleventh from the right end
II. Ramesh is fifth to the left of Neeli who is tenth from the right end and fifteenth from the left end
- Statement I alone is sufficient, but statement II alone is not sufficient
- Statement II alone is sufficient, but statement I alone is not sufficient
- Either Statement I or II is sufficient
- Data in both the statements together are not sufficient
- Both I and II are needed
Answer: C
Explanation:
From statement I: 8 + 6 +11 – 1 = 24
From statement II: 10 + 15 – 1 = 24
12) What is Tom’s rank in the class?
I. There are 45 students in the class.
II. 42 students scored less than Tom.
- Statement I alone is sufficient, but statement II alone is not sufficient
- Statement II alone is sufficient, but statement I alone is not sufficient
- Either Statement I or II is sufficient
- Data in both the statements together are not sufficient
- Both I and II are needed
Answer: E
Explanation:
Total students = 45
42 students scored less, and then 2 students would have scored more than Tom which means Tom is at the third position. Thus, we need data of both statements to get the answer.
13) Who is the father of Geeta?
I. X and Y are sisters
II. Y’s husband is brother of Geeta’s husband
- Statement I alone is sufficient, but statement II alone is not sufficient
- Statement II alone is sufficient, but statement I alone is not sufficient
- Either Statement I or II is sufficient
- Data in both the statements together are not sufficient
- Both I and II are needed
Answer: D
Explanation:
We cannot predict who is father of Geeta even from both the statements taken together.
14) Which day of the last week did Tony meet Jack, at Jack’s home?
I. Jack was out of town from Monday to Thursday. He returned on Friday morning.
II. On Saturday night Tony telephoned his friend to inform that only yesterday he had got the approval of Jack after personally explaining to him all the details.
- Statement I alone is sufficient, but statement II alone is not sufficient
- Statement II alone is sufficient, but statement I alone is not sufficient
- Either Statement I or II is sufficient
- Data in both the statements together are not sufficient
- Both I and II are needed
Answer: B
Explanation:
Statement II reveals that Tony met his friend Jack on the day prior to Saturday, i.e., Friday. So, only II is needed.
15) What is the monthly salary of Raman?
I. Raman gets 20% more than Suresh while Suresh gets 10% less than Rahul.
II. Rahul’s monthly salary is Rs. 15000.
- Statement I alone is sufficient, but statement II alone is not sufficient
- Statement II alone is sufficient, but statement I alone is not sufficient
- Either Statement I or II is sufficient
- Data in both the statements together are not sufficient
- Both I and II are needed
Answer: E
Explanation:
Raman’s salary = 120% of (90% of Rs. 15000) = 16200. So, both are required.
Data Sufficiency 1
Data Sufficiency 2
Data Sufficiency 4