RRB NTPC CBT-1 Mock Test 1 (Perfect Generation)
Practice RRB NTPC CBT-1 Mock Test 1 (Perfect Generation) online for free with answers, explanations, timer-based mock test, 100 questions, and 100 marks.
Who is known as the Iron Man of India?
The correct answer is Sardar Vallabhbhai Patel.
Who is the author of the famous book 'Wings of Fire'?
'Wings of Fire' was written by A.P.J. Abdul Kalam.
Which acid is present in lemons?
The correct answer is Citric acid.
Which metal is liquid at room temperature?
The correct answer is Mercury.
What is the capital of Japan?
The capital of Japan is Tokyo.
Who was the founder of the Mughal dynasty?
The Mughal dynasty was founded by Babur.
What is the pH value of pure water?
The correct answer is 7.
Which gland is known as the master gland?
The correct answer is Pituitary Gland.
Who was the first woman Prime Minister of India?
The correct answer is Indira Gandhi.
Where is the headquarters of UNESCO located?
The headquarters of UNESCO is in Paris.
In which year did India gain independence?
The correct answer is 1947.
Which gas is most abundant in the Earth's atmosphere?
The correct answer is Nitrogen.
In which year did the Battle of Plassey take place?
The Battle of Plassey took place in the year 1757.
What is the official currency of Japan?
The currency of Japan is Yen.
What is the capital of Australia?
The correct answer is Canberra.
What is the chemical formula for Hydrochloric Acid?
The chemical formula for Hydrochloric Acid is HCl.
What does Article 21 of the Indian Constitution deal with?
Article 21 guarantees Protection of Life and Personal Liberty.
Who discovered America?
The correct answer is Christopher Columbus.
Who painted the Mona Lisa?
The correct answer is Leonardo da Vinci.
Which element has the atomic number 1?
The correct answer is Hydrogen.
Which ocean is the largest?
The correct answer is Pacific Ocean.
Which planet in our solar system is known as the 'Blue Planet'?
Earth is known as the Blue Planet.
What is the hardest natural substance on Earth?
The correct answer is Diamond.
Deficiency of Vitamin C causes which of the following diseases?
Deficiency of Vitamin C leads to Scurvy.
Which planet is closest to the Sun?
The correct answer is Mercury.
Which is the smallest continent by land area?
The correct answer is Australia.
Which instrument is used to measure atmospheric pressure?
The correct answer is Barometer.
What is the chemical symbol for Gold?
The correct answer is Au.
What is the SI unit of Power?
The SI unit of Power is Watt.
Which is the largest bone in the human body?
The correct answer is Femur.
Who invented the telephone?
The correct answer is Alexander Graham Bell.
In which state is Gir National Park located?
Gir National Park is situated in Gujarat.
In computing, what does RAM stand for?
RAM stands for Random Access Memory.
Which is the highest civilian award in India?
The correct answer is Bharat Ratna.
Which state has the longest coastline in India?
The correct answer is Gujarat.
Hirakud dam is built across which river?
The Hirakud dam is built on the Mahanadi river.
Which is the longest river in the world?
The correct answer is Nile.
Who wrote the Indian National Anthem?
The correct answer is Rabindranath Tagore.
What is the currency of Japan?
The correct answer is Yen.
Who is credited with the invention of the Telephone?
The Telephone was invented by Alexander Graham Bell.
A can do a piece of work in 18 days and B can do it in 23 days. In how many days can they complete the work together?
Efficiency sum = 1/18 + 1/23. Total days = 10.10.
A and B together can do a piece of work in 6 days. A alone can do it in 15 days. In how many days can B alone complete the work?
1/B = 1/6 - 1/15. Days = 10.00.
A train 202m long is running at a speed of 66 km/hr. How much time will it take to cross a pole?
Time = Distance/Speed = 202 / (66 * 5/18) = 11.0 sec.
A train 106m long running at 62 km/hr crosses a platform of 105m. Find the time taken.
Total dist = 211. Time = 211 / (62*5/18) = 12.3 sec.
Boat speed in still water is 16 km/hr, stream is 3 km/hr. Time to row 112 km up and down?
Up = 13, Down = 19. Time = 112/13 + 112/19 = 14.5 hr.
Find the simple interest on Rs. 38000 at 11% per annum for 3 years.
SI = PTR/100 = 12540.
The difference between CI and SI for 2 years at 8% is Rs. 27. Find the principal.
Diff = P(R/100)^2. P = 4218.75.
What is the compound interest on Rs. 7000 at 7% p.a. for 2 years?
CI = 7000(1+7/100)^2 - 7000 = 1014.30.
A man buys an article for Rs. 3700 and sells it at a profit of 16%. Find the selling price.
SP = CP * (1 + P/100) = 4292.
A shopkeeper marks his goods 39% above CP and allows a discount of 13%. Find profit %.
Profit % = 39 - 13 - (39*13/100) = 20.93%.
Find the single equivalent discount for successive discounts of 18% and 19%.
Formula: a + b - ab/100 = 33.58%.
In an election between two candidates, the winner got 63% votes and won by 899 votes. Total votes?
Winner = 63%, Loser = 37%. Diff = 26%. 100% = 3457.
A student gets 30% and fails by 23 marks. Another gets 41% and gets 24 marks more than passing. Find max marks.
Difference in % = 11%. Difference in marks = 47. Max marks = 427.
A bag has Rs 1, 50p, 25p coins in ratio 2:3:5. Total amount is Rs 980. Find number of 50p coins.
Value ratio = 2x + 1.5x + 1.25x = 980. x = 206.31578947368422. 50p coins = 3*x = 618.
A mixture contains milk and water in ratio 5:1. If 6L of mixture is replaced with water, ratio becomes 1:1. Initial milk?
Formula applied. Initial milk approx 9.0L.
Average weight of 17 boys is 42 kg. If teacher is added, average increases by 1 kg. Teacher's weight?
Teacher = Old Avg + (n+1)*increase = 42 + 18*1 = 60.
A batsman averages 46 in 16 innings. He scores 101 in the next. What is his new average?
New Avg = (16*46 + 101) / 17 = 49.24.
Find the unit digit of (43)^103.
Cyclicity of powers. Unit digit is 7.
Find the LCM of 12 and 16.
LCM = (12*16)/HCF = 48.
If x + 1/x = 3, find x² + 1/x².
x² + 1/x² = a² - 2 = 3² - 2 = 7.
If x + 1/x = 6, find x³ + 1/x³.
x³ + 1/x³ = a³ - 3a = 6³ - 3(6) = 198.
The angle of elevation of a tower of height 46m from a point is 60°. Find distance from the base.
tan(60) = h/d => d = 46/√3 = 26.56m.
Length of a rectangle is increased by 13% and breadth by 11%. Find % change in area.
Formula: L + B + (L*B)/100 = 25.43%.
Find the volume of a cylinder with radius 7cm and height 16cm. (π=22/7)
V = πr²h = (22/7)*7²*16 = 2464 cm³.
Find the surface area of a sphere of radius 16cm. (π=22/7)
SA = 4πr² = 4*(22/7)*16² = 3218 cm².
The angle subtended by a diameter at any point on the circumference of a circle is:
Angle in a semicircle is always a right angle.
Tangents PA and PB are drawn to a circle. If angle APB = 30°, find angle PAB.
PA=PB, so Triangle PAB is isosceles. Angle PAB = (180 - 30)/2 = 75°.
A man travels at 35 km/h and returns at 57 km/h. Find average speed.
Avg Speed = 2xy/(x+y) = 2*35*57/(92) = 43.4 km/h.
Walking at 5 km/h, a student is late. At 10 km/h, he is early. If distance is 16 km, find difference in time in minutes.
Diff = (16/5 - 16/10) * 60 = 96 mins.
A die is thrown once. What is the probability of getting a number greater than 6?
Favorable outcomes = 0. Total = 6.
Series: 2, 7, 12, 17, ?
Difference is +5.
Series: 4, 12, 36, 108, ?
Multiplier is x3.
Series: 4, 9, 16, 25, ?
Squares of consecutive numbers.
If APPLE is coded as CRRNG, how is MANGO coded?
Shift +2 for each letter.
If DOG is coded as FQI, how is CAT coded?
Shift +2 for each letter.
Pointing to a boy, a woman said, "He is the son of the only son of my mother." How is the boy related to the woman?
Only son of mother = Brother. Son of brother = Nephew.
A+B means A is father of B. A-B means A is mother. What does P+Q-R mean for P related to R?
P is father of Q, Q is mother of R. So P is maternal grandfather.
A man walks 6 km North, turns East and walks 6 km. How far is he from start?
Pythagoras: √(6² + 6²) = 8.5.
A man faces North, turns 90° clockwise, then 135° anti-clockwise. Which direction is he facing?
Net turn = -45°. North - 45° = North-West.
Statements: All A are B. Some B are C. Conclusions: I. Some A are C. II. Some B are A.
Standard syllogism rules.
Statements: No dog is cat. All cats are mats. Conclusion: No dog is mat.
Mats can still overlap with dogs.
Analogy - INDIA : NEW DELHI :: JAPAN : ?
Capital city relationship.
Analogy - 7 : 50 :: 10 : ?
Logic is x : x²+1.
Find the odd one out: Apple, Mango, Potato, Banana
Potato is a vegetable, rest are fruits.
Find the odd one out: 16, 25, 36, 42, 49
42 is not a perfect square.
A is 10th from top and 17th from bottom. Total people?
Total = Top + Bottom - 1 = 26.
Angle between hands of a clock at 7:29?
Angle = |30H - 5.5M| = 50.5°.
Mirror image of clock showing 10:46?
Subtract from 11:60.
If today is Monday, what day will it be after 35 days?
35 % 7 = 0 odd days.
If + means -, - means x, x means /, / means +. Value of 10 x 2 - 5 + 3?
10 / 2 * 5 - 3 = 5 * 5 - 3 = 22.
Arrange in dictionary order: 1. Banish 2. Bandit 3. Bangle 4. Banquet
Alphabetical sorting.
Which word CANNOT be formed from 'INTELLIGENCE'?
A and A are not present.
How many triangles in a square with both diagonals drawn?
Standard figure counting result is 8.
If A=1, B=2, what is the sum of letters in 'CAT'?
C=3, A=1, T=20. Sum = 24.
Find the odd one out: 2, 3, 5, 7, 9, 11
9 is not a prime number.
Analogy - BIRD : WINGS :: FISH : ?
Locomotion organs.
If 1st Jan 2024 is Monday, what is 1st Jan 2025?
2024 is a leap year, so +2 odd days.
Venn Diagram: Which represents Animals, Dogs, Pets?
Dogs are animals. Pets can be dogs or other animals.
Which number replaces the question mark? 2, 5, 10, 17, ?
n^2 + 1 pattern.
A is taller than B. B is taller than C. Who is tallest?
A > B > C.