RRB NTPC 2025 Under Graduate Level Practice SET RRB NTPC 2025 Under Graduate Level Practice SET-1 for CBT 1 / 20 The paintings in the Ajanta Caves are based on the common themes of which religion? Buddhist Shaiva Vaishnava Jain 2 / 20 What is the term for the uneven distribution of light intensity due to the superposition of two waves? Diffraction Interference Polarization Reflection 3 / 20 The concept of social, economic, and political justice is derived from which revolution? Japanese Revolution American Revolution French Revolution Russian Revolution 4 / 20 Who is considered the final signatory of the Indian Constitution? Supreme Court Parliament Chief Minister Prime Minister 5 / 20 Which of the following is the highest plateau in the world? Deccan Plateau Tibetan Plateau Columbia Plateau Katanga Plateau 6 / 20 The rate at which a bank lends to another bank is called: Open Market Rate Bank Rate Reverse Repo Rate Repo Rate 7 / 20 The electric dipole moment per unit volume is called: Capacitance Electric Dipole Energy Polarization 8 / 20 Where does the pollen grain land in the female part of a flower? Pollination Embryogenesis Stigma Ovary 9 / 20 Which of the following is not related to the skills of the game Kho-Kho? Foul Pole Diving Trapping Dribble 10 / 20 What will be the next number in the given series? 75 73 77 79 11 / 20 In the equation X / Y + Z / W, how is Y related to W? Son-in-law Uncle Father-in-law Son 12 / 20 Find the next number in the given series.11, 23, 48, 99, 202, ? 409 309 350 400 13 / 20 A company in England has 619 male and 619 female employees in its assistance program. The average productivity of all employees is 71 calls per day. A male employee makes an average of 71 calls per day. What is the average number of calls made by a female employee in one day? 69 75 71 73 14 / 20 Martin donates 13% of his salary to a blind welfare organization, 12% to an orphanage, 14% to a welfare agency, and 16% to a medical aid organization. The remaining ₹40,500 is deposited in the bank for his monthly expenses. What is the amount donated to the orphanage? ₹11,800 ₹12,800 ₹10,800 ₹9,800 15 / 20 Find the value of x.√121 + 11 + √144 = 1 × x 16 14 13 15 16 / 20 Dhani distributed 725 gifts among 4 children. The first child received twice as much as the second child, three times as much as the third child, and four times as much as the fourth child. Find the shares of the first and second children. 518 516 522 520 17 / 20 The station master decides to increase the length of a rectangular digital board by 9% and reduce its width by 1%. Determine the total change in area. 8.91% increase 7.91% increase 8.91% decrease 7.91% decrease 18 / 20 Determine the number of trailing zeros in the number 234! 56 54 58 52 19 / 20 In how many ways can 432 mobile phones be distributed equally among students? 20 22 18 24 20 / 20 Where is the Indira Gandhi Rashtriya Udaan Academy located? Delhi Fursatganj, Uttar Pradesh Hyderabad Mumbai Your score isThe average score is 65% 0% Restart quiz RRB NTPC 2025 Graduate Level Reasoning Practice Set-2 1 / 14 What is the main cash crop of Bhutan? Large cardamom Wheat Barley Oilseeds 2 / 14 On the banks of which river is the city of Vienna located? Danube Volga Thames Seine 3 / 14 With which sport is Manasi Girishchandra Joshi associated? Para Badminton Para Swimming Table Tennis Boxing 4 / 14 Who was the main proponent of the Two-Nation Theory? Sir Syed Ahmed Khan Nawab Salimullah Aga Khan Muhammad Iqbal 5 / 14 Who is the creator of the Rock Garden in Chandigarh? Nek Chand S.P. Chatterjee Le Corbusier Kamaladevi Chattopadhyay 6 / 14 How many chromosomes are present in the human body? 2 46 24 23 7 / 14 In a meeting, 240 people attend daily, but on Sundays, 510 people attend. If the month starts on a Sunday and has 30 days, what is the average daily attendance for the month? 260 278 285 238 8 / 14 In a row of students, Prakash is 10th from the right, and Kavita is 4th to the left of Prakash. Kavita is immediately to the left of Sujay, who is 11th from the left. How many students are in the row? 9 15 13 16 9 / 14 Rahim left his house facing north. He then turned 135° counterclockwise and finally turned 90° clockwise. Which direction is Rahim facing now? Northeast Northwest West Southwest 10 / 14 The area of a rectangle is 16.02 m². If the length of the rectangle is 4.5 meters, what is its width? 3.58 3.56 3.62 3.54 11 / 14 The ratio of two numbers is 7:15, and their HCF is 7. What is the difference between the two numbers? 52 56 48 44 12 / 14 The length and width of a rectangle are in the ratio 3:5. If the length is increased by 2 units and the width by 1 unit, the area increases by 41 square units. What was the original area of the rectangle? 120 square units 148 square units 145 square units 156 square units 13 / 14 In a class of 25 students, the average age is 12 years. If three students aged 11, 12, and 13 leave the school, what will be the change in the average age of the class? +2 -1 0 +1 14 / 14 Jyoti bought 50 dozen eggs at ₹840 per dozen. Out of these, 20 eggs broke. She sold the remaining eggs at 40 paise each. What was her profit or loss? ₹22 profit ₹44 profit ₹44 loss ₹22 loss Your score isThe average score is 0% 0% Restart quiz RRB NTPC Undergraduate Level Practice SET-3 for CBT 1 / 15 How much does B get? ₹320 ₹325 ₹120 ₹210 2 / 15 A trader buys 6 bananas for ₹10 and sells 4 bananas for ₹4. What is the profit/loss percentage? 10% loss 10% profit 11% loss 12% profit 3 / 15 What is the cube root of 0.000216? 0.6 0.06 0.006 0.0006 4 / 15 The price of petrol increases by 25%. By what percentage must a car owner reduce petrol consumption to keep petrol expenses unchanged? 20% 16% 25% 28% 5 / 15 What is the distance (in km) between two longitudes near the Equator? 101 111 91 21 6 / 15 The value-added method measures national income through: Expenditure method Income method Production method None of the above 7 / 15 The British established the Zero Mile Stone as a reference point to measure all distances. Where is it located? Kolkata Nagpur Kanyakumari New Delhi 8 / 15 Which Sultan built the city of Agra? Sikandar Lodi Bahlul Lodi Shah Jahan Firoz Shah Tughlaq 9 / 15 Which freedom fighter is known as Shaheed-e-Azam? Mahatma Gandhi Bal Gangadhar Tilak Bhagat Singh Chandrashekhar Azad 10 / 15 Which term will replace the question mark (?) in the given series?XDZA, VFXC, ?, LPNM, DXFU RITH RJTG SJTH SJIG 11 / 15 Who is the immediate neighbor of both Jitender and Tarun? Jaya Shahid Komal Vijay 12 / 15 The second word is related to the first word in a certain way. Select the option that is related to the third word in the same way.CAR : SEAT BELT :: FAN : ? Wind Blade Electricity Room 13 / 15 Which number will replace the question mark (?) in the given series?-1, 0, 3, 8, 15, ? 56 24 32 13 14 / 15 In a certain code language:‘GOLDEN’ is written as ‘MPHPGF’‘GERMAN’ is written as ‘SFHPCD’How will ‘GLOBAL’ be written in that language? PMHNCD OLGLAB PMHLAB OLGNCD 15 / 15 Select the option related to the fifth letter group in the same way as the second is related to the first and the fourth is related to the third.CAPTURE : PACERUT :: BANKING : NABGNIK :: CHARITY : ? AHCYTIR YTIRAHC RITYCHA RAHCYTI Your score isThe average score is 0% 0% Restart quiz RRB NTPC 2025 Graduate Level Practice SET-4 1 / 16 Select the option related to the fifth term in the same way as the second term relates to the first and the fourth to the third:COURAGE : EQWTCIG :: POWER : RQYGT :: WISDOM : ? FDQDDM WISTIG YKUFQO EQWDDM 2 / 16 Three statements (I, II, III) are followed by three conclusions. Assuming the statements are true, decide which conclusions logically follow:Statements:All cats are rats.Some rats are white.All white are milk.Conclusions:I. Some rats are cats.II. Some white are rats.III. Some milk is white. All follow Only I & III follow Only I & II follow Only II & III follow 3 / 16 Choose the correct combination of mathematical signs to replace the % symbols and balance the equation:42 % 7 % 5 % 10 % 3 ×, =, –, ÷ ÷, ×, =, – ÷, ×, =, × ×, ÷, =, – 4 / 16 Which letter group will replace the question mark (?) in the series?SEJW, QGMT, OIPQ, ?, KMVK MKTN MKMT MKSN MKTM 5 / 16 Who sits opposite T? S R P Q 6 / 16 A 20% discount is given on timely payment of an electricity bill. A person got a discount of ₹66 by paying on time. What was the original bill amount? ₹220 ₹430 ₹330 ₹380 7 / 16 5 years ago, the ratio of the ages of A and B was 6 : 7, and 5 years later, it will be 8 : 9. What is A’s current age? 30 years 32years 35years 36 years 8 / 16 A, B, and C invest capital in a business in the ratio 4 : 3 : 2. If the total profit is ₹11,700, how much will B receive? ₹2700 ₹2800 3600 3200 9 / 16 The product of the HCF and LCM of two numbers is 24, and their difference is 2. What is the larger number? 6 4 8 10 10 / 16 If a sum of money at 6% simple interest per annum amounts to ₹3540 in 3 years, what is the interest earned? ₹450 ₹580 ₹450 ₹540 11 / 16 The concept of “Equality before Law” under Article 14 of the Indian Constitution is borrowed from which country’s constitution? Ireland United States Britain Germany 12 / 16 T.R. Mahalingam is associated with which musical instrument? Sarod Sarangi Tabla Flute 13 / 16 During the time of the Sixteen Mahajanapadas, which region was known as Awadh? Kashi Kosala Kaushambi Kapilavastu 14 / 16 In the Maratha Empire, the Chauth and Sardeshmukhi taxes were collected. The Sardeshmukhi tax was: 1/4 part 1/5 1/8 1/10 15 / 16 In the Maratha Empire, the Chauth and Sardeshmukhi taxes were collected. The Sardeshmukhi tax was: 1/4 1/5 1/8 1/10 16 / 16 With which Five-Year Plan is the ‘Big Push Theory’ associated? Seventh Eighth Second Third Your score isThe average score is 0% 0% Restart quiz RRB NTPC 2025 Organic Chemistry Questions 1 / 30 What is the hybridization of carbon in benzene? sp sp² sp³ dsp² 2 / 30 Which compound is used in the preparation of dynamite? Glycerol Nitroglycerin TNT RDX 3 / 30 Which scientist first synthesized urea artificially? Lavoisier Wöhler Faraday Dalton 4 / 30 What is the valency of carbon in organic compounds? 2 3 4 5 5 / 30 Which polymer is formed from vinyl chloride? Polyethylene PVC Teflon Nylon 6 / 30 What is the main component of biogas? CO₂ Methane Hydrogen Nitrogen 7 / 30 What is denatured spirit made of? Pure ethanol Ethanol + methanol Ethanol + pyridine Ethanol + water 8 / 30 Which artificial sweetener is derived from toluene? Aspartame Saccharin Sucralose Stevia 9 / 30 What is used as a fire extinguisher under the name “pyrene”? Carbon tetrachloride Water CO₂ Sand 10 / 30 Which compound is used to preserve biological specimens? Methanol Formalin Ethanol Acetone 11 / 30 What is the chemical name for gammaxene (an insecticide)? Benzene hexachloride DDT Chloroform Acetylene 12 / 30 Which compound is used in tear gas? Benzene Chloroacetophenone Naphthalene Formaldehyde 13 / 30 What is used to lower the freezing point in car radiators? Methanol Ethylene glycol Glycerol Acetone 14 / 30 Which explosive is also known as “Research Department Explosive”? TNT RDX Nitroglycerin Ammonal 15 / 30 What is the primary component of natural rubber? Polyethylene Isoprene Vinyl chloride Styrene 16 / 30 Which alcohol is also known as wood spirit? Ethanol Methanol Propanol Butanol 17 / 30 What is the main component of marsh gas? Ethane Methane Propane Butane 18 / 30 Which compound is used as a sweetener and in medicines? Naphthalene Glucose Benzene RDX 19 / 30 Glycerol is used in the production of: Dynamite Plastic Vinegar Methane 20 / 30 What is vinegar chemically? 100% acetic acid 10% acetic acid 5% formic acid 20% citric acid 21 / 30 Which alcohol is used in alcoholic beverages? Methanol Ethanol Propanol Butanol 22 / 30 Chloroform (CHCl₃) is commonly used as: A fuel An anesthetic A polymer A preservative 23 / 30 What is the temperature of an oxy-acetylene flame used in welding? 1500°C 2500°C 3500°C 4500°C 24 / 30 Which gas is used for artificial ripening of fruits? Methane Acetylene Ethylene Propane 25 / 30 What is the primary use of methane (CH₄)? Making plastics Fuel for heat production Welding Preservative 26 / 30 Which mechanism involves a two-step process where the reaction rate depends only on the substrate concentration? SN² E1 E2 E1CB 27 / 30 SN¹ reactions are most favorable for which type of halides? Methyl halides Primary halides Secondary halides Tertiary halides 28 / 30 In which type of reaction does a nucleophile attack an electron-deficient molecule? Electrophilic reaction Nucleophilic reaction Free radical reaction Elimination reaction 29 / 30 Which of the following is an example of an electrophile? OH⁻ NH₃ BF₃ CN⁻ 30 / 30 What is the mechanism called when a chemical reaction occurs through the formation of free radicals? Polar mechanism Free radical mechanism Nucleophilic mechanism Electrophilic mechanism Your score isThe average score is 0% 0% Restart quiz
