practice set 2 for crpf radio operator/ radio fitter/ cipher 2025


prctice set 2

 
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#1. Which device of computer operation dispenses with the use of the keyboard?

#2. Which output device is used for translating information from a computer into pictorial form on paper?

#3. Which of the following are components of Central Processing Unit (CPU)?

#4. Which among following first generation of computers had?

#5. If a computer provides database services to other, then it will be known as?

#6. In which of the following form, data is stored in computer?

#7. What is full form of GUI in terms of computers?

#8. What is LINUX?

#9. Which is most common language used in web designing?

#10. Where are saved files stored in computer?

#11. Which among following is odd?

#12. MPG is a file extension of which type of files?

#13. 1 Mega Byte is equal to…..

#14. Which is odd one?

#15. Which device among following is used for sending digital data over a phone line?

#16. Which type of software is an operating system?

#17. Intersection of columns and rows is called a?

#18. Which is responsible for communication between Memory and ALU?

#19. Which is a application software among following?

#20. In computer what converts AC to DC?

#21. Mail solution in SELO is provided by

#22. Which among following is responsible for finding and loading operating system into RAM?

#23. What are the main building blocks of a database?

#24. By pressing which key we can move to beginning of a page?

#25. Computer resolution measures?

#26. Which term is related to database?

#27. Where cache memory islocated?

#28. Which among following is odd one?

#29. Which operating system is developed by Apple?

#30. Which among following is an image name extension?

#31. 5454÷54÷5 =?

#32. 22% of 364 – ? = 23

#33. √? – 5 = √2209

#34. Complete the series – 5, ?, 15, 75, 525, 4725, 51975

#35. The average weight of 21 boys was recorded as 64 Kg. If the weight of the teacher was added, the average increased by one Kg. What was the teacher’s weight?

#36. The perimeter of a square is twice the perimeter of a rectangle. If the perimeter of the square is 72 cm and the length of the rectangle is 12 cm, what is the difference between the breadth of the rectangle and the side of the square?

#37. A truck covers a distance of 640 km in 10 hrs. A car covers the same distance in 8 hrs. What is the respective ratio between the speed of the truck and the car?

#38. The respective ratio between Sita’s, Riya’s and Kunal’s monthly income is 84:76: 89. If the annual income is Rs. 456000, what is the sum of Sita’s and Kunal’s annual income?

#39. The sum of 15% of a positive number and 20% of the same number is 126. What is the one-third of that number?

#40. Neeraj incurred a loss of 55% on selling an article for Rs. 9549.What was the cost price of the article?

#41. In how many different ways can the letter of the word “VENTURE” be arranged?

#42. In order to pass in an exam a student is required to get 780 marks out of the aggregate marks. Sonu got 728 marks and was declared failed by 5%. What are the maximum aggregate marks a student can get in the examination?

#43. Harish, Dilip and Asha Start running around a circular stadium and complete one round in 27s, 9s and 36s respectively. In how much time will they meet again at the start at the starting point?

#44. 15 year hence, Priya will be just four times as old as she was 15 year ago. Her present age is

#45. Rajan and sajan started a business initially with Rs. 14200 and Rs. 15600, respectively. If the total profit is Rs. 74500, what is Rajan’s share in the profit?

#46. A sum of money doubles itself in 8 years at simple interest. What is rate of interest?

#47. A and B Take Rs. 660 for doing a piece of work together. If working alone 6 days and 5 days, respectively. A share is………

#48. A train 270 m long passes a standing man in 24 s. What is the speed of the train?

#49. If the length of a rectangle is increased by 40% and the breath is reduced by 20%, what will be the effect on its area?

#50. In how much time will a man cover a distance of 4500 m with a speed of 15 km/h?

#51. Which of the following gases cause global warming?

#52. Hydrogen is considered as good fuel because

#53. The sun is visible to us a little before the actual sunrise and a little after actual sunset,because of

#54. Light travels fastest in

#55. Rusting of Iron is an example of

#56. Which of the following is a non-metal that remains liquid at room temperature?

#57. Quartz crystals normally used in quartz clocks etc. is chemically

#58. The hardest substance available on earth is

#59. What is laughing gas?

#60. Production of chlorofluorocarbons (CFC) gas which is proposed to be banned in India, is used in which of the following domestic products?

#61. An atom’s atomic number is determined by the number of:

#62. A voltage will influence current only if the circuit is:

#63. Primary batteries, unlike secondary batteries, may be:

#64. A voltmeter is used:

#65. An example of potential energy is:

#66. A switch is a device that:

#67. Which electronics material opposes the movement of free electrons?

#68. A short circuit will have:

#69. What happens to total resistance in a circuit with parallel resistors if one of them opens?

#70. What is the total resistance of four 1 k parallel-connected resistors?

#71. Zener diode is mostly used as________

#72. Transformer works on the principal of ________

#73. Resistance is directly proportional to the ________

#74. Semiconductor atom has ________ valence electron.

#75. Atomic number of copper is ________

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  • vikas

    Vikas Kumar is a passionate content creator with two years of experience in the blogging field. He enjoys crafting engaging and informative articles across platforms like Google, Reddit, Quora, and various other content writing forums. Vikas is dedicated to delivering high-quality content that resonates with his audience, showcasing his creativity and attention to detail in every piece he writes.

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5 thoughts on “practice set 2 for crpf radio operator/ radio fitter/ cipher 2025”

  1. Pingback: Practice Set for Radio operator, Radio Fitter, Crpto cipher 2025 - SUBEXAM

    • Rohith, All these sets are based on previous papers of cypher, radio operator, and radio fitter. so you can take it for your cypher preparation

      Reply

  3. Few answers are wrong in paper it will us

    Pls ensure
    15,14,13,11 and many more
    We are blindly believe u

    My number 6301084852

    Reply

    • Yes, you may be right because my team can make this error in making this, but I swear that I will check and make it correct. thank for sharing your concerns

      Reply

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