RBI GRADE ‘B’ OFFICER’S EXAM Held on : 17.11.2002 (Part-III)

Total Questions: 50

1. After the series a number is given followed by (a), (b) (c), (d) and (e). You have to complete the series starting with the number given, following the sequence of the original series and answer the questions that follow the series.

What will come in place of (d)?

(1) 46
(2) 39
(3) 156
(4) 172
(5) None of these

Correct Answer: (4) 172

Solution:The given series is based on the following pattern :

2. After the series a number is given followed by (a), (b) (c), (d) and (e). You have to complete the series starting with the number given, following the sequence of the original series and answer the questions that follow the series.

What will come in place of (d)?

(1) 95
(2) 51
(3) 99
(4) 49
(5) None of these

Correct Answer: (5) None of these

Solution:The given series is based on the following pattern:

3. After the series a number is given followed by (a), (b) (c), (d) and (e). You have to complete the series starting with the number given, following the sequence of the original series and answer the questions that follow the series.

What will come in place of (c)?

(1) 4.5
(2) 2
(3) 6
(4) 7
(5) None of these

Correct Answer: (3) 6

Solution:The given series is based on the following pattern:

4. After the series a number is given followed by (a), (b) (c), (d) and (e). You have to complete the series starting with the number given, following the sequence of the original series and answer the questions that follow the series.

What will come in place of (b)?

(1) 29
(2) 30
(3) 26
(4) 28
(5) None of these

Correct Answer: (2) 30

5. After the series a number is given followed by (a), (b) (c), (d) and (e). You have to complete the series starting with the number given, following the sequence of the original series and answer the questions that follow the series.

What will come in place of (c)?

(1) 14
(2) 16
(3) 9
(4) 11
(5) None of these

Correct Answer: (1) 14

Solution:The given series is based on the following pattern :

6. In each of the following questions, a question is followed by information given in three statements. You have to study the question alongwith the statements and decide the information given in which of the statement (s) is necessary to answer the question.

What is the cost of flooring the rectangular hall ?

I. Length and the breadth of the hall are in the respective ratio of 3 : 2.

II. Length of the hall is 48 metres and cost of flooring is Rs. 850/- per square metre.

III. Perimeter of the hall is 160 metres and cost of flooring is Rs. 850/- per square metre.

(1) Only I and II
(2) Only I and III
(3) Only III
(4) Only I and either II or III
(5) Any two of the three

Correct Answer: (5) Any two of the three

7. In each of the following questions, a question is followed by information given in three statements. You have to study the question alongwith the statements and decide the information given in which of the statement (s) is necessary to answer the question.

What is the rate of interest per cent?

I. An amount doubles itself in 5 years on simple interest.

II. Difference between the compound interest and the simple interest earned on a certain amount in two years is Rs. 400.

III. Simple interest earned per annum is Rs. 2,000.

(1) Only 1
(2) Only II and III
(3) Any two of the three
(4) All I, II and III
(5) Only I or only II and III

Correct Answer: (5) Only I or only II and III

8. In each of the following questions, a question is followed by information given in three statements. You have to study the question alongwith the statements and decide the information given in which of the statement (s) is necessary to answer the question.

What is the two digit number?

I. The difference between the two digit number and the number formed by interchanging the digits is 27.

II. The difference between the two digits is 3.

III. The digit at unit's place is less than that at ten's place by 3.

(1) Only I and II
(2) Only I and either II or III
(3) Only I and III
(4) All I, II and III
(5) Even with all the three statements answer cannot be given.

Correct Answer: (5) Even with all the three statements answer cannot be given.

Solution:Let the unit's digit be x and ten's digit be y.

Then,

The number = 10y + x

On interchanging the digits, new number = 10x + y From statement I,

10y + x - 10x - y = 27

$\Rightarrow$ 9y - 9x = 27 $\Rightarrow$ y - x = 3

From statements II and III, similar relation is obtained, hence many such numbers are possible.

9. In each of the following questions, a question is followed by information given in three statements. You have to study the question alongwith the statements and decide the information given in which of the statement (s) is necessary to answer the question.

What is the present age of Subir?

I. The present age of Subir is half to that of his father.

II. After 5 years, the ratio of Subir's age to that of his father's age will be 6 : 11.

III. Subir is 5 years younger than his brother.

(1) Only I and II
(2) Only I and III
(3) Only II and III
(4) All I, II and III
(5) Even with all the three statements answer cannot be given.

Correct Answer: (1) Only I and II

Solution:Let the present age of father
be x yrs.
From statement I, Subir's

From it, x can be determined. Hence, Subir's age can be determined. But statement III is irrelevant.

10. In each of the following questions, a question is followed by information given in three statements. You have to study the question alongwith the statements and decide the information given in which of the statement (s) is necessary to answer the question.

In how many days can 10 women finish a work ?

I. 10 men can complete the work in 6 days.

II. 10 men and 10 women together can complete the work in $3³⁄₇$ days.

III. If 10 men work for 3 days and there after 10 women re- place them, the remaining work is completed in 4 days.

(1) Only I and II
(2) Any two of the three
(3) Only I and III
(4) Only II and III
(5) None of these

Correct Answer: (2) Any two of the three

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