data sufficiency Model Questions & Answers, Practice Test for rbi grade b prelims 2024
rbi grade b prelims 2024 SYLLABUS WISE SUBJECTS MCQs
Number System
Ratio & Proportion
Time & Work
Data Sufficiency
Question :6
What is the area of the circle?
Statements :
I. Perimeter of the circle is 88 cms.
II. Diameter of the circle is 28 cms.
Answer »
Directions:
Each of the questions below consists 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:- If the data in Statement I alone is sufficient to answer the question, while the data in Statement II alone is not sufficient to answer the question.
- If the data in Statement II alone is sufficient to answer the question, while the data in Statement I alone is not sufficient to answer the question.
- If the data in Statement I alone or in Statement II alone is sufficient to answer the question.
- If the data in both the Statements I and II are not sufficient to answer the question.
- If the data in both the Statements I and II together are necessary to answer the question.
What is the area of the circle?
Statements :
I. Perimeter of the circle is 88 cms.
II. Diameter of the circle is 28 cms.
Answer: (c)
Let the radius of circle = R cm
then, area of circle = π$R^2$
From statement I,
Circumference of circle = 2πR = 88 cm
or R = ${88×7}/{2×22}$ = 14 cm
From statement II,
Diameter of circle = 2R = 28 cm
or R = ${28}/2$ = 14 cm
Hence, either statement I or statement II alone is sufficient to give the answer.
Question :7
What is the age of C, in a group of A, B, C, D and E, whose average age is 45 years?
I. Average of the ages of A and B is 53 years.
II.Average of the ages of D and E is 47 yearsTown M is towards which direction of Town K?
I. Town K is towards North-West of Town D.
II.Town M is towards South - East of Town D.
Answer »
Directions:
Each question below is followed by two statements I and II. You are to determine whether the data given in the statements is sufficient for answering the question. You should use the data and your knowledge of Mathematics to choose between the possible answers.- (a) if the statement I alone is sufficient to answer the question, but the statement II alone is not sufficient.
- (b) if the statement II alone is sufficient to answer the question, but the statement I alone is not sufficient.
- (c) if both statements I and II together are needed to answer the question.
- (d) if either the statement I alone or statement II alone is sufficient to answer the question.
- (e) if you cannot get the answer from the statement I and II together, but need even more data
What is the age of C, in a group of A, B, C, D and E, whose average age is 45 years?
I. Average of the ages of A and B is 53 years.
II.Average of the ages of D and E is 47 yearsTown M is towards which direction of Town K?
I. Town K is towards North-West of Town D.
II.Town M is towards South - East of Town D.
Answer: (e)
From both the statements:
Question :8
Amongst five friends seated in a straight line facing North, is B sitting at the extreme left end ?
Statements :
I. B, D are immediate neighbours of each other. Similarly E, C are also immediate neighbours of each other. A sits exactly in the middle of the line.
II. A, who sits exactly in the middle of the line, is second to the left of C. B is not an immediate neighbour of A.
Answer »
Directions:
Each of the questions below consists 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:- If the data in Statement I alone is sufficient to answer the question, while the data in Statement II alone is not sufficient to answer the question.
- If the data in Statement II alone is sufficient to answer the question, while the data in Statement I alone is not sufficient to answer the question.
- If the data in Statement I alone or in Statement II alone is sufficient to answer the question.
- If the data in both the Statements I and II are not sufficient to answer the question.
- If the data in both the Statements I and II together are necessary to answer the question.
Amongst five friends seated in a straight line facing North, is B sitting at the extreme left end ?
Statements :
I. B, D are immediate neighbours of each other. Similarly E, C are also immediate neighbours of each other. A sits exactly in the middle of the line.
II. A, who sits exactly in the middle of the line, is second to the left of C. B is not an immediate neighbour of A.
Answer: (d)
From statement II, ⇒ B D A E C
or B E A D C
So, B is sitting at the extreme left end.
Question :9
What is the age of C, in a group of A, B, C, D and E, whose average age is 45 years?
I. Average of the ages of A and B is 53 years.
II.Average of the ages of D and E is 47 yearsWhat is Nidhi's age?
I. Nidhi is 3 times younger than Rani.
II.Surekha is twice the age of Rani and the sum of their ages is 72.
Answer »
Directions:
Each question below is followed by two statements I and II. You are to determine whether the data given in the statements is sufficient for answering the question. You should use the data and your knowledge of Mathematics to choose between the possible answers.- (a) if the statement I alone is sufficient to answer the question, but the statement II alone is not sufficient.
- (b) if the statement II alone is sufficient to answer the question, but the statement I alone is not sufficient.
- (c) if both statements I and II together are needed to answer the question.
- (d) if either the statement I alone or statement II alone is sufficient to answer the question.
- (e) if you cannot get the answer from the statement I and II together, but need even more data
What is the age of C, in a group of A, B, C, D and E, whose average age is 45 years?
I. Average of the ages of A and B is 53 years.
II.Average of the ages of D and E is 47 yearsWhat is Nidhi's age?
I. Nidhi is 3 times younger than Rani.
II.Surekha is twice the age of Rani and the sum of their ages is 72.
Answer: (e)
Statement II:
Rani's age = x yrs.
⇒2x + x = 72⇒3x = 72⇒x= 24 yrs.
Using this with Statement I, we get
Age of Nidhi = 3 times younger than Rani's age = ${24}/3$ = 8 yrs.
∴ Both statements I and II are Sufficient.
Question :10
Who is in the middle of the row comprising A, B, C, D and E?
Statements :
I. B is to right of C, who is second from the left.
II. A is standing to the left of C, who is D's neighbour.
Answer »
Directions:
Each of the questions below consists 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:- If the data in Statement I alone is sufficient to answer the question, while the data in Statement II alone is not sufficient to answer the question.
- If the data in Statement II alone is sufficient to answer the question, while the data in Statement I alone is not sufficient to answer the question.
- If the data in Statement I alone or in Statement II alone is sufficient to answer the question.
- If the data in both the Statements I and II are not sufficient to answer the question.
- If the data in both the Statements I and II together are necessary to answer the question.
Who is in the middle of the row comprising A, B, C, D and E?
Statements :
I. B is to right of C, who is second from the left.
II. A is standing to the left of C, who is D's neighbour.
Answer: (b)
From I ⇒B is third from left and so is in the middle.
From II ⇒ There is no clarity of who is where.
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