The OSSC CHSL 2024 Practice Quiz Set-1 is designed to comprehensively cover essential topics for exam preparation. It includes sections on Arithmetic, testing fundamental mathematical skills and problem-solving abilities. Data Interpretation challenges candidates to analyze and interpret data accurately. Logical Reasoning and Analytical Ability focus on evaluating reasoning skills and the capacity to think critically. Current Events of National and International Importance ensure candidates are updated with recent developments globally and nationally. Additionally, the Computer/Internet Awareness section assesses knowledge of basic computer operations and internet usage, vital in today’s digital age. This quiz set provides a well-rounded practice to excel in the OSSC CHSL exam.
OSSC CHSL 2024 Practice Quiz Set -1
- Look at this series: 21, 9, 21, 11, 21, 13, 21, … What number should come next?
(a) 14
(b) 15
(c) 21
(d) 23
Ans: (b) 15
Explanation:
In this alternating repetition series, the random number 21 is interpolated every other number into an otherwise simple addition series that increases by 2, beginning with the number 9. - Look at this series: 58, 52, 46, 40, 34, … What number should come next?
(a) 26
(b) 28
(c) 30
(d) 32
Ans: (b) 28
Explanation:
This is a simple subtraction series. Each number is 6 less than the previous number. - Look at this series: 3, 4, 7, 8, 11, 12, … What number should come next?
(a) 7
(b) 10
(c) 14
(d) 15
Ans: (d) 15
Explanation:
This alternating addition series begins with 3; then 1 is added to give 4; then 3 is added to give 7; then 1 is added, and so on. - Look at this series: 8, 22, 8, 28, 8, … What number should come next?
(a) 9
(b) 29
(c) 32
(d) 34
Ans: (d) 34
Explanation:
This is a simple addition series with a random number, 8, interpolated as every other number. In the series, 6 is added to each number except 8, to arrive at the next number. - Look at this series: 31, 29, 24, 22, 17, … What number should come next?
(a) 15
(b) 14
(c) 13
(d) 12
Ans: (a) 15
Explanation:
This is a simple alternating subtraction series, which subtracts 2, then 5. - Look at this series: ZA5, Y4B, XC6, W3D, _____
(a) E7V
(b) V2E
(c) VE5
(d) VE7
Ans: (d) VE7
Explanation:
There are three series to look for here. The first letters are alphabetical in reverse: Z, Y, X, W, V. The second letters are in alphabetical order, beginning with A. The number series is as follows: 5, 4, 6, 3, 7. - The ratio of A’s saving to that of his income is 1:5. If his expenditure on clothes increases from 20% to 27.5% with respect to his income, then what percentage of his saving is his current expenditure on clothes (assuming saving remains the same)?
(a) 127.5%
(b) 137.5%
(c) 125%
(d) 140%
Ans: (b) 137.5%
Solution:
Let A’s income be 5x.
Savings =x.
Old expenditure on clothes = 20% of 5x=x.
New expenditure on clothes = 27.5% of
5x=1.375x.
Percentage of saving spent on clothes = 1.375x*x *100=137.5. - In a class, the number of boys is 36 more than the number of girls. If 22 girls and 6 boys take admission, the ratio of girls to boys becomes 7:9. Find the original number of students in the class.
(a) 134
(b) 124
(c) 132
(d) 128
Ans: (c) 132 - Deepak and Ayush entered into a partnership by investing Rs. x and x+5000 respectively. After 6 months, Deepak increased his investment by Rs. 2000. Find the sum of their initial investments if, at the end of the year, the ratio of their profit shares is 4:5.
(a) Rs. 30000
(b) Rs. 36000
(c) Rs. 41000
(d) Rs. 35000
Ans: (d) Rs. 35000
Solution:
Deepak’s investment for 6 months = x×6.
Deepak’s investment for next 6 months = (x+2000)×6.
Ayush’s investment for 12 months = (x+5000)×12.
Total investment of Deepak = 6x+6(x+2000)=12x+12000.
Total investment of Ayush = 12(x+5000)=12x+60000.
Given, the profit ratio = 4:5
(12x+60000)/(12x+12000) = 4/5
Cross-multiplying,
5(12x+12000)=4(12x+60000)
60x+60000=48x+240000
12x=180000
x=15000.
Sum of their initial investments = x+(x+5000)=15000+20000=35000. - There are two squares with perimeters of 220 cm and 180 cm respectively. Find the perimeter of another square whose area is equal to the difference between the areas of the above two squares.
(a) 40√5 cm
(b) 40√10 cm
(c) 60√10 cm
(d) 20√10 cm
Ans: (b) 40√10 cm
Solution:
Side of first square = 220/4 =55 cm.
Area of first square = 55^2 =3025 sq. cm.
Side of second square = 180/4 =45 cm.
Area of second square = 45^2 =2025 sq. cm.
Difference in areas = 3025−2025=1000 sq. cm.
Side of the new square = Sq rt of1000=10 rt 10
Perimeter of the new square = 4*10 rt 10=40rt 10 - A train running at the speed of 108 km/hr crosses a 640 meters long platform in 100/3 seconds. Find the time taken by the train to cross a man running at the speed of 36 km/hr in the opposite direction.
(a) 9 sec
(b) 12 sec
(c) 15 sec
(d) 8 sec
Ans: (a) 9 sec
Solution:
Speed of train = 108 km/hr = 108 × 5/18 m/s = 30 m/s.
Speed of man = 36 km/hr = 36 × 5/18 m/s = 10 m/s.
Relative speed (since they are moving in opposite directions) = 30 + 10 = 40 m/s.
Length of train = Speed × Time = 30 ×100/3 = 1000 m.
Time taken to cross the man = 1000/40= 25 sec. - In two types of brass, the ratio of copper to zinc are 7: 4 and 2: 9 respectively if the two types of brass be melted and mixed in the ratio 6: 5, a new type of brass is obtained. Find the ratio of copper to zinc in this new type of brass.
(a) 52: 51
(b) 13: 35
(c) 52: 69
(d) 35: 13
Ans.(c)
Sol.
- ROLLBACK in a database is ________ statement?
(a) TCL
(b) DCL
(c) DML
(d) DDL
Ans: (a) TCL - Unlike filters queries can be saved as in a database?
(a) objects
(b) filters
(c) database
(d) Any of the above
Ans: (a) objects - Dr. E.F. Codd represented ______ rules that a database must obey if it has to be considered truly relational?
(a) 10
(b) 8
(c) 12
(d) 6
Ans: (c) 12 - Periodically adding, changing and deleting file records is called file?
(a) updating
(b) upgrading
(c) restructuring
(d) renewing
Ans: (a) updating - A tuple is a?
(a) column of a table
(b) two-dimensional table
(c) row of a table
(d) key of a table
Ans: (c) row of a table - A collection of interrelated records is called a?
(a) management information system
(b) spreadsheet
(c) database
(d) text file
Ans: (c) database - Which Indian city has been recognized as the “Solar City” by the Ministry of New and Renewable Energy?
(a) Bengaluru
(b) Pune
(c) Gandhinagar
(d) Hyderabad
Ans: (c) Gandhinagar - Who was appointed as the new Secretary General of NATO?
(a) Mark Rutte
(b) Jens Stoltenberg
(c) Antonio Guterres
(d) Ursula von der Leyen
Ans: (a) Mark Rutte - Which Indian city was designated as the UNESCO City of Literature recently?
(a) Jaipur
(b) Kolkata
(c) Kozhikode
(d) Mysuru
Ans: (c) Kozhikode - The International Day Against Drug Abuse and Illicit Trafficking is observed on:
(a) June 21
(b) June 25
(c) June 26
(d) June 30
Ans: (c) June 26 - Who is the President of the Professional Golf Tour of India (PGTI)?
(a) Kapil Dev
(b) Anirban Lahiri
(c) Jeev Milkha Singh
(d) Shiv Kapur
Ans: (a) Kapil Dev - Which Indian woman cricketer recently scored consecutive centuries in ODIs?
(a) Mithali Raj
(b) Harmanpreet Kaur
(c) Smriti Mandhana
(d) Jhulan Goswami
Ans: (c) Smriti Mandhana - The line graph below, shows the Rural and Urban inflation in Odisha for four years. Study the graph carefully and answer the questions given below.
- In which year was the absolute difference between Rural and Urban Inflation minimum?
(a) 2019-20
(b) 2020-21
c) 2021-22
(d) 2022-23
Ans: c) 2021-22
Explanation: Calculate the absolute differences:
2019-20: |6.56 – 6.95| = 0.39
2020-21: |3.38 – 5.52| = 2.14
2021-22: |6.1 – 6| = 0.1
2022-23: |6.95 – 6| = 0.95 - The Rural Inflation of 2022-23 is approximately how much percent more compared to the Urban Inflation of 2020-21?
(a) 23.1%
(b) 25.9%
c) 28.6%
(d) 30.4%
Ans: This percentage isn’t listed, so the question might have errors in provided options.
Explanation: As noted, the correct percentage isn’t provided in the options, indicating a discrepancy. - What is the ratio between Urban Inflation of 2022-23 and 2021-22?
(a) 1.08 : 1
(b) 1.16 : 1
c) 1.25 : 1
(d) 1.33 : 1
Ans: (b) 1.16 : 1
Explanation: Urban Inflation in 2022-23 is 6.95 and in 2021-22 is 6. The ratio is calculated as 6.95 / 6 ≈ 1.16 : 1. - Which of the following is certainly true about trends shown in the graph?
(a) Rural Inflation has linearly grown over the given years
(b) Rural Inflation has always been lower than Urban Inflation in the given years
c) Compared to Rural Inflation, Urban Inflation changes at a slower rate
(d) Compared to Urban Inflation, Rural Inflation changes at a slower rate
Ans: c) Compared to Rural Inflation, Urban Inflation changes at a slower rate
Explanation: This statement is true based on the trends observed from the given data. - In which year was the change in Rural Inflation highest compared to the previous year?
(a) 2019-20
(b) 2020-21
c) 2021-22
(d) 2022-23
Ans: (a) 2019-20
Explanation: Calculate the changes in Rural Inflation:
2019-20 to 2020-21: |6.56 – 3.38| = 3.18
2020-21 to 2021-22: |3.38 – 6.1| = 2.72
2021-22 to 2022-23: |6.1 – 6.95| = 0.85
The highest change is from 2019-20 to 2020-21, which is 3.18.
