RBI OFFICER GRADE ‘B’ ONLINE EXAM Held on : 25.08.2013 (Part-III)

Total Questions: 50

31. Sujata scored 2240 marks in an examination that is 128 marks more than the minimum passing percentage of 64%. What is the percentage of marks obtained by Meena if she scores 907 marks less than Sujata?

(1) 35
(2) 40
(3) 45
(4) 36
(5) 48

Correct Answer: (2) 40

Solution:If total maximum marks be

x

, then,

$x \times 64/100 = 2240 - 128 = 2112$

$⟹ ? = 2112 \times 100/64 = 3300$

Marks obtained by Sujata

$= 2240 - 907 = 1333$

Required percentage

$= 1333/ 3300 \times 100 \approx 40$

32. There are 8 brown balls, 4 orange balls and 5 black balls in a bag. Five balls are chosen at random. What is the probability of their being 2 brown balls, 1 orange ball and 2 black balls ?

(1) 191/1547
(2) 180/1547
(3) 280/1547
(4) 189/1547
(5) None of these

Correct Answer: (3) 280/1547

Solution:Total possible outcomes

Required probability :

= 1120/6188 = 280/1547

33. The ratio of the salaries of A and B is 8 : 9. If A's salary is increased by 50% and B's salary is reduced by 25%, their ratio becomes 16 : 9. What is the salary of A?

(1) Rs. 22000
(2) Rs. 28500
(3) Rs. 37000
(4) Cannot be determined
(5) None of these

Correct Answer: (4) Cannot be determined

Solution:

34. If tax on a commodity is reduced by 10%, total revenue remains unchanged. What is the percentage increase in its consumption?

(1) 11⅟₉ %
(2) 20%
(3) 10%
(4) 9⅟₁₁%
(5) None of these

Correct Answer: (1) 11⅟₉ %

Solution:

35. The denominators of two fractions are 5 and 7 respectively. The sum of these fractions is 41/35. On interchanging the numerators, their sum be- comes 43/35. The fractions are

(1) 2/5 and 4/7
(2) 3/5 and 4/7
(3) 4/5 and 2/7
(4) 3/5 and 5/7
(5) None of these Sources

Correct Answer: (2) 3/5 and 4/7

Solution:

36. Read the following table carefully to answer the given questions.

Number of students enrolled in different academic faculties of 4 institutions during 2008-2012

College Year	DAV College			CT College			BKM College			VP College
College Year	B.Ed	M.Ed	M.Sc	B.Ed	M.Ed	M.Sc	B.Ed	M.Ed	M.Sc	B.Ed	M.Ed	M.Sc
2008	330	156	675	543	457	884	1090	699	574	657	633	674
2009	534	344	1145	234	554	684	126	243	743	478	744	1185
2010	222	429	454	444	332	393	1133	723	1223	434	835	1349
2011	465	434	810	665	443	790	855	621	2374	1332	964	2234
2012	250	242	666	877	332	534	334	503	1235	334	1098	1534

What is the average number of enrolled students in B.Ed course during 2009 ?

(1) 343
(2) 334
(3) 336
(4) 338
(5) 340

Correct Answer: (1) 343

Solution:Required average

37. Read the following table carefully to answer the given questions.

Number of students enrolled in different academic faculties of 4 institutions during 2008-2012

College Year	DAV College			CT College			BKM College			VP College
College Year	B.Ed	M.Ed	M.Sc	B.Ed	M.Ed	M.Sc	B.Ed	M.Ed	M.Sc	B.Ed	M.Ed	M.Sc
2008	330	156	675	543	457	884	1090	699	574	657	633	674
2009	534	344	1145	234	554	684	126	243	743	478	744	1185
2010	222	429	454	444	332	393	1133	723	1223	434	835	1349
2011	465	434	810	665	443	790	855	621	2374	1332	964	2234
2012	250	242	666	877	332	534	334	503	1235	334	1098	1534

How many students got admission in M.Sc. in DAV college taking all the years together?

(1) 3850
(2) 3750
(3) 3650
(4) 3950
(5) 4080

Correct Answer: (2) 3750

Solution:Required answer =

675 + 1145 + 454 + 810 + 666 = 3750

38. Read the following table carefully to answer the given questions.

Number of students enrolled in different academic faculties of 4 institutions during 2008-2012

College Year	DAV College			CT College			BKM College			VP College
College Year	B.Ed	M.Ed	M.Sc	B.Ed	M.Ed	M.Sc	B.Ed	M.Ed	M.Sc	B.Ed	M.Ed	M.Sc
2008	330	156	675	543	457	884	1090	699	574	657	633	674
2009	534	344	1145	234	554	684	126	243	743	478	744	1185
2010	222	429	454	444	332	393	1133	723	1223	434	835	1349
2011	465	434	810	665	443	790	855	621	2374	1332	964	2234
2012	250	242	666	877	332	534	334	503	1235	334	1098	1534

The difference between the number of students enrolled in CT college in 2010 and that enrolled in DAV college in 2011 is

(1) 565
(2) 560
(3) 540
(4) 545
(5) 580

Correct Answer: (3) 540

Solution:Required difference

$= 1709 - 1169$

$= 540$

39. Read the following table carefully to answer the given questions.

Number of students enrolled in different academic faculties of 4 institutions during 2008-2012

College Year	DAV College			CT College			BKM College			VP College
College Year	B.Ed	M.Ed	M.Sc	B.Ed	M.Ed	M.Sc	B.Ed	M.Ed	M.Sc	B.Ed	M.Ed	M.Sc
2008	330	156	675	543	457	884	1090	699	574	657	633	674
2009	534	344	1145	234	554	684	126	243	743	478	744	1185
2010	222	429	454	444	332	393	1133	723	1223	434	835	1349
2011	465	434	810	665	443	790	855	621	2374	1332	964	2234
2012	250	242	666	877	332	534	334	503	1235	334	1098	1534

By what per cent the number of students enrolled in M.Ed. in BKM College in 2009 is more that enrolled in B.Ed in the same college in the same year?

(1) 87
(2) 88
(3) 89
(4) 93
(5) None of these

Correct Answer: (4) 93

Solution:

40. Read the following table carefully to answer the given questions.

Number of students enrolled in different academic faculties of 4 institutions during 2008-2012

College Year	DAV College			CT College			BKM College			VP College
College Year	B.Ed	M.Ed	M.Sc	B.Ed	M.Ed	M.Sc	B.Ed	M.Ed	M.Sc	B.Ed	M.Ed	M.Sc
2008	330	156	675	543	457	884	1090	699	574	657	633	674
2009	534	344	1145	234	554	684	126	243	743	478	744	1185
2010	222	429	454	444	332	393	1133	723	1223	434	835	1349
2011	465	434	810	665	443	790	855	621	2374	1332	964	2234
2012	250	242	666	877	332	534	334	503	1235	334	1098	1534

The ratio between the number of students enrolled in B.Ed. and M.Sc. in DAV college in 2011 is

(1) 31 : 54
(2) 54 : 31
(3) 52 : 27
(4) 27 : 52
(5) None of these

Correct Answer: (1) 31 : 54

Solution:Required ratio =

465 : 810 = 31 : 54

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RBI OFFICER GRADE ‘B’ ONLINE EXAM Held on : 25.08.2013 (Part-III)

31. Sujata scored 2240 marks in an examination that is 128 marks more than the minimum passing percentage of 64%. What is the percentage of marks obtained by Meena if she scores 907 marks less than Sujata?

32. There are 8 brown balls, 4 orange balls and 5 black balls in a bag. Five balls are chosen at random. What is the probability of their being 2 brown balls, 1 orange ball and 2 black balls ?

33. The ratio of the salaries of A and B is 8 : 9. If A's salary is increased by 50% and B's salary is reduced by 25%, their ratio becomes 16 : 9. What is the salary of A?

34. If tax on a commodity is reduced by 10%, total revenue remains unchanged. What is the percentage increase in its consumption?

35. The denominators of two fractions are 5 and 7 respectively. The sum of these fractions is 41/35. On interchanging the numerators, their sum be- comes 43/35. The fractions are

36. Read the following table carefully to answer the given questions.

37. Read the following table carefully to answer the given questions.

38. Read the following table carefully to answer the given questions.

39. Read the following table carefully to answer the given questions.

40. Read the following table carefully to answer the given questions.

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