RPF Constable 2025 Practice Mock Test SET-47 MCQs for CBT Exam


Welcome to the RPF Constable 2025 Practice Mock Test SET-47. This mock test has been specially designed for those preparing for the Railway Protection Force (RPF) Constable CBT Exam. It offers a variety of multiple-choice questions (MCQs) across subjects such as General Knowledge, Arithmetic, General Intelligence, Reasoning, and Current Affairs.
By attempting this mock test, you will be able to assess your preparation level, enhance your problem-solving skills, and improve time management strategies for the actual exam. This practice session will provide valuable insights into your strengths and areas that need improvement, giving you the confidence to perform well on the exam.

RPF Constable 2025 Practice Mock Test SET-47 MCQs
Here are the MCQs:
1. How many single bonds are present in methane?
- (a) Six
- (b) Four
- (c) Seven
- (d) Five
2. A cylindrical tub contains water to a depth of 20 cm. When tiny spherical balls are dropped, the water level rises by 6.75 cm. If the cylinder has a radius of 12 cm and 27 balls are dropped, what is the radius of each ball?
- (a) 3 cm
- (b) 1.5 cm
- (c) 3.5 cm
- (d) 2.5 cm
3. Thrice my age three years back, subtracted from thrice my age three years hence, gives my current age. How old am I now?
- (a) 21 years
- (b) 15 years
- (c) 18 years
- (d) 24 years
4. Eight friends — A, B, C, D, E, F, G, and H — are sitting around a circular table, facing the center, but not necessarily in the same order. Which of the following persons sits immediately to the left of B?
- (a) A
- (b) C
- (c) D
- (d) H
5. When a piece of zinc metal is placed in hydrochloric acid, which gas is evolved?
- (a) Carbon dioxide
- (b) Nitrogen
- (c) Hydrogen
- (d) Oxygen
Also Read: RPF Constable 2025 Practice Mock Test SET-46 MCQs for CBT Exam, Answer Now
6. In which of the following states is the Atal Setu bridge located, which was recently inaugurated?
- (a) West Bengal
- (b) Goa
- (c) Maharashtra
- (d) Madhya Pradesh
7. Can friction be eliminated entirely by polishing surfaces or by using lots of lubricants?
- (a) Polishing makes friction nil and increases the moving object’s velocity enormously
- (b) Friction occurs that is almost negligible
- (c) Friction cannot be totally eliminated as there will be some irregularities
- (d) Friction can be made zero by polishing
8. Which of the following is a diatomic molecule?
- (a) Helium
- (b) Argon
- (c) Methane
- (d) Fluorine
9. What is a continuous and closed path for an electric current called?
- (a) Electric circuit
- (b) Loop
- (c) Mesh
- (d) Path
10. Find the odd one out from the given options.
- (a) 83
- (b) 21
- (c) 39
- (d) 51
11. Ukai Dam was constructed across which river?
- (a) Krishna
- (b) Tapti
- (c) Godavari
- (d) Narmada
12. Which of these is a nerve cell?
- (a) Orion
- (b) Beon
- (c) Nucleus
- (d) Neuron
13. For which values of ‘k’ does the equation kx(x – 2) + 6 = 0 have equal roots?
- (a) 6
- (b) -2
- (c) 3, 2
- (d) 0, 6
14. Find the missing group of alphabets in the following series: EZ, JU, (…), TK, YF
- (a) OP
- (b) FH
- (c) IK
- (d) SX
15. Complete the series: ABP, CDQ, EFR, (…).
- (a) HGS
- (b) GHR
- (c) GHT
- (d) GHS
Also Read: RRB Group D 2025 Mock Test SET- 46, Check Preparation Level Now
Answers to the RPF Constable 2025 Practice Mock Test SET-47 MCQs
Here are the answers:
- b
- a
- c
- c
- c
- b
- c
- d
- a
- a
- b
- d
- a
- a
- d
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