This quiz covers key topics for OSSC CGLRE, focusing on Arithmetic, Reasoning, Current Events, Computer, and Data Interpretation. Practice these questions to sharpen your knowledge and improve speed. Each question is designed to test core concepts and help you perform better in the upcoming exam. Answer the questions carefully and review the solutions for a thorough understanding.

Rapid Revision Quiz for OSSC CGLRE: 15 October 2024

ALU is an abbreviation for:
A) Arithmetic and Logic Unit
B) Advanced Logic Unit
C) Arithmetic Link Unit
D) Advanced Link Unit
Answer: A) Arithmetic and Logic Unit
Who designed the C language?
a) James Gosling
b) Dennis Ritchie
c) Bjarne Stroustrup
d) Guido van Rossum
Answer: b) Dennis Ritchie
What is the primary file extension for C programs?
a) .java
b) .c
c) .cpp
d) .py
Answer: b) .c
Which operating system was written in C language?
a) Windows
b) UNIX
c) Mac OS
d) Linux
Answer: b) UNIX
Who developed Java?
a) Dennis Ritchie
b) James Gosling
c) Bjarne Stroustrup
d) Larry Wall
Answer: b) James Gosling
What is the file extension for Java programs?
a) .c
b) .java
c) .py
d) .cpp
Answer: b) .java
Java is not:
a) Platform independent
b) Object-Oriented
c) Used for Android development
d) Procedural Programming Language
Answer: d) Procedural Programming Language
What does SQL stand for?
a) Sequential Query Language
b) Structured Query Language
c) Simple Query Language
d) Standard Query Language
Answer: b) Structured Query Language
Which organization developed SQL?
a) Microsoft
b) Sun Microsystems
c) IBM
d) Oracle
Answer: c) IBM
In what year did SQL become a standard of ANSI?
a) 1984
b) 1985
c) 1986
d) 1987
Answer: c) 1986
Four girls are sitting on a bench to be photographed. Komal is to the left of Aakriti. Disha is to the right of Aakriti. Ankita is between Aakriti and Disha. Who would be second from the left in the photograph?
a) Komal
b) Aakriti
c) Ankita
d) Disha
Answer: b
Explanation: Komal → Aakriti → Ankita → Disha. Hence, Aakriti is second from the left.
What is the next number in the series: 21, 16, 22, 15, 23, 14, …?
a) 24
b) 13
c) 21
d) 19
Answer: a
Explanation: The pattern alternates between increasing and decreasing numbers. So, the next number after 14 is 24.
Find the next number in the series: 61, 52, 63, 94, 46, …?
a) 18
b) 81
c) 35
d) 49
Answer: a
Explanation: Each number is the reverse of a square of a number. For example, 61 (which is 16 reversed) corresponds to 4^2. Following this pattern, the next number is 18 (which is 81 reversed).
A person is sixth in the queue from either end. How many people are there in the queue?
a) 9
b) 11
c) 15
d) 10
Answer: b
Explanation: Being sixth from either end means there are 5 people in front and 5 people behind. Therefore, the total number of people in the queue is 11.
A cowherd had 23 cows. All but seven died. How many will he have left?
a) 7
b) 11
c) 8
d) 9
Answer: a
Explanation: If all but seven cows died out of 23, then 7 cows will be left.
Which figure is different from the rest?
a) Figure A
b) Figure B
c) Figure C
d) Figure D
Answer: b
Explanation: In figures A, C, and D, circles are placed on the edges of the shape, whereas in figure B, circles are placed at the vertices of the shape.
Which figure is different from the rest?
a) Figure A
b) Figure B
c) Figure C
d) Figure D
Answer: d
Explanation: Figures A, B, and C have parallel lines inside them, while figure D has intersecting lines.
Which figure is different from the rest?
a) Figure A
b) Figure B
c) Figure C
d) Figure D
Answer: b
Explanation: In figures A, C, and D, the top left corners are shaded, whereas in figure B , the bottom right corner is shaded.
Which figure is different from the rest?
a) Figure A
b) Figure B
c) Figure C
d) Figure D
Answer: c
Explanation: Figures A, B, and D are divided into equal parts, whereas figure C is divided into unequal parts.
Which figure is different from the rest?
a) Figure A
b) Figure B
c) Figure C
d) Figure D
Answer: c
Explanation: Figures A, B, and D have four arrow heads, whereas figure C has only three arrow heads.
If A can complete a particular task in 4 days and B can complete the same task in 12 days, how many days will it take them to complete the task together?
(A) 1
(B) 2
(C) 3
(D) 4
Ans: (C) 3

SOLUTION:
In a total investment of $500,000, B’s share is 20%, while A’s share is 40% of B’s share. What is A’s share?
(A) $32,000
(B) $34,000
(C) $36,000
(D) $40,000
Ans: (D) $40,000

SOLUTION:
If the cost of 12 eggs is $40, what will be the cost of 3 eggs?
(A) $9
(B) $10
(C) $11
(D) $12
Ans: (B) $10

SOLUTION: If 12 eggs are of 40, then 1 egg = \frac{40}{12}. So, 3 eggs = $3\times\frac{40}{12}=10$
If the sum of two numbers is 16, and their product is 63, then what is the larger number?
(A) 9
(B) 10
(C) 11
(D) 12
Ans: (A) 9

SOLUTION:
The sum of three consecutive even numbers is 78. What is the largest number?
(A) 22
(B) 24
(C) 26
(D) 28
(E) 30
Ans: (D) 28

SOLUTION:
If 40% of a number is 380, what is the number?
(A) 930
(B) 935
(C) 940
(D) 950
Ans: (D) 950

SOLUTION:
A boy sold his bicycle for $2400 and earned a 20% profit. What was the original price (the price without the profit) of the bicycle?
(A) $1940
(B) $1960
(C) $1980
(D) $2000
Ans: (D) $2000

SOLUTION:
What comes next in the sequence: 1, 1, 2, 6, 24, ____?
(A) 110
(B) 120
(C) 130
(D) 140
Ans: (B) 120

SOLUTION:
What is the 81st number in the sequence: 1, 4, 7, 10, ………, a81 = ?
(A) 237
(B) 241
(C) 245
(D) 249
Ans: (B) 241

SOLUTION: This is arithmetic sequence with common difference 3. The first number is 1, and we have to find 81st number. Using formula for the nth number in an arithmetic sequence, we have
(2^2)^3\times (2^3)^2=?
(A) 4096
(B) 4046
(C ) 3096
(D) 3046
Ans: (A) 4096

SOLUTION:
Why was Biligiri Ranganathaswamy Temple Tiger Reserve (BRT) recently in the news?
(a) A rare species of bird was spotted
(b) A 35-year-old female elephant was found dead
(c) A new temple was inaugurated
(d) A forest fire occurred
Answer: (b) A 35-year-old female elephant was found dead
Under which international convention does the BBNJ Agreement fall?
(a) Convention on Biological Diversity (CBD)
(b) United Nations Convention on the Law of the Sea (UNCLOS)
(c) Kyoto Protocol
(d) Paris Agreement
Answer: (b) United Nations Convention on the Law of the Sea (UNCLOS)
What does the BBNJ Agreement prohibit regarding marine resources?
(a) Fishing
(b) Sovereign claims over marine resources from the high seas
(c) Marine tourism
(d) Marine mining
Answer: (b) Sovereign claims over marine resources from the high seas
What is the main objective of the Integrated Tribal Development Programme?
(a) Urbanization of tribal areas
(b) Replicable models of integrated development on a participatory basis
(c) Promotion of traditional sports
(d) Establishment of large-scale industries
Answer: (b) Replicable models of integrated development on a participatory basis
When was ECOWAS established?
(a) May 28, 1975
(b) June 15, 1980
(c) April 22, 1965
(d) March 3, 1973
Ans: (a) May 28, 1975
Where are the Birlestik-2024 drills taking place?
(a) Caspian Sea
(b) Black Sea
(c) Aral Sea
(d) Mediterranean Sea
Ans: (a) Caspian Sea
What is the status of the relationship between India and Russia as of 2010?
(a) Strategic Partnership
(b) Special and Privileged Strategic Partnership
(c) Treaty of Friendship and Cooperation
(d) Economic Alliance
Ans: (b) Special and Privileged Strategic Partnership
Which program designates biosphere reserves under UNESCO?
(a) Man and Biosphere (MAB) Programme
(b) World Heritage Sites Programme
(c) International Biosphere Network
(d) Global Nature Conservation Programme
Ans: (a) Man and Biosphere (MAB) Programme
How many biosphere reserves in India are recognized under the MAB Programme?
(a) 8
(b) 10
(c) 12
(d) 18
Ans: (c) 12
Which was the first biosphere reserve designated in India?
(a) Sundarbans Biosphere Reserve
(b) Nilgiri Biosphere Reserve
(c) Gulf of Mannar Biosphere Reserve
(d) Simlipal Biosphere Reserve
Ans: (b) Nilgiri Biosphere Reserve

Q(41-45): Study the following table and answer the questions based on it. Expenditures of a Company (in Lakh Rupees) per Annum Over the given Years.

Year	Item of Expenditure
Year	Salary	Fuel and Transport	Bonus	Interest on Loans	Taxes
1998	288	98	3.00	23.4	83
1999	342	112	2.52	32.5	108
2000	324	101	3.84	41.6	74
2001	336	133	3.68	36.4	88
2002	420	142	3.96	49.4	98

41. What is the average amount of interest per year which the company had to pay during this period?
A) Rs. 32.43 lakhs
B) Rs. 33.72 lakhs
C) Rs. 34.18 lakhs
D) Rs. 36.66 lakhs
Answer: D

Explanation:
42. The total amount of bonus paid by the company during the given period is approximately what percent of the total amount of salary paid during this period?
A) 0.1%
B) 0.5%
C) 1%
D) 1.25%
Answer: C

Explanation:
43. Total expenditure on all these items in 1998 was approximately what percent of the total expenditure in 2002?
A) 62%
B) 66%
C) 69%
D) 71%
Answer: C

Explanation:
44. The total expenditure of the company over these items during the year 2000 is?
A) Rs. 544.44 lakhs
B) Rs. 501.11 lakhs
C) Rs. 446.46 lakhs
D) Rs. 478.87 lakhs
Answer: A

Explanation:
45. The ratio between the total expenditure on Taxes for all the years and the total expenditure on Fuel and Transport for all the years respectively is approximately?
A) 4:7
B) 10:13
C) 15:18
D) 5:8
Answer: B

Q(46-50): Number of Candidates Appeared and Qualified in a Competitive Examination from Different States Over the Years.

State	Year
	1997		1998		1999		2000		2001
	App.	Qual.	App.	Qual.	App.	Qual.	App.	Qual.	App.	Qual.
M	5200	720	8500	980	7400	850	6800	775	9500	1125
N	7500	840	9200	1050	8450	920	9200	980	8800	1020
P	6400	780	8800	1020	7800	890	8750	1010	9750	1250
Q	8100	950	9500	1240	8700	980	9700	1200	8950	995
R	7800	870	7600	940	9800	1350	7600	945	7990	885

46. What is the approximate percentage of candidates qualified from all states together in 1997 compared to those qualified in 1998?
a) 72%
b) 77%
c) 80%
d) 83%
Answer: c) 80%

47. What is the average number of candidates who appeared from State Q during the given years?
a) 8700
b) 8760
c) 8990
d) 8920
Answer: c) 8990

48. In which of the given years did the number of candidates appearing from State P have the maximum percentage of qualified candidates?
a) 1997
b) 1998
c) 1999
d) 2001
Answer: d) 2001

49. What is the percentage of candidates qualified from State N for all the years together, over the candidates appeared from State N during all the years together?
a) 12.36%
b) 12.16%
c) 11.47%
d) 11.15%
Answer: d) 11.15%

50. What is the percentage of the total number of qualified candidates to the total number of appeared candidates among all the five states in 1999?
a) 11.49%
b) 11.84%
c) 12.21%
d) 12.57%
Answer: b) 11.84%