RRB NTPC CBT-1 Mock Test 3 (Perfect Generation)
Practice RRB NTPC CBT-1 Mock Test 3 (Perfect Generation) online for free with answers, explanations, timer-based mock test, 100 questions, and 100 marks.
What is the hardest natural substance on Earth?
The correct answer is Diamond.
Which gas is most abundant in the Earth's atmosphere?
The correct answer is Nitrogen.
In computing, what does RAM stand for?
RAM stands for Random Access Memory.
Which state has the longest coastline in India?
The correct answer is Gujarat.
In which year did India gain independence?
The correct answer is 1947.
Hirakud dam is built across which river?
The Hirakud dam is built on the Mahanadi river.
Who invented the telephone?
The correct answer is Alexander Graham Bell.
What is the chemical symbol for Gold?
The correct answer is Au.
Which is the highest civilian award in India?
The correct answer is Bharat Ratna.
Who was the founder of the Gupta dynasty?
The Gupta dynasty was founded by Sri Gupta.
Which planet is closest to the Sun?
The correct answer is Mercury.
Which ocean is the largest?
The correct answer is Pacific Ocean.
What is the capital of Australia?
The correct answer is Canberra.
Which gland is known as the master gland?
The correct answer is Pituitary Gland.
What is the capital of France?
The capital of France is Paris.
Which instrument is used to measure atmospheric pressure?
The correct answer is Barometer.
Which acid is present in lemons?
The correct answer is Citric acid.
Which element has the atomic number 1?
The correct answer is Hydrogen.
What is the SI unit of Power?
The SI unit of Power is Watt.
What does Article 32 of the Indian Constitution deal with?
Article 32 guarantees Right to Constitutional Remedies.
What is the pH value of pure water?
The correct answer is 7.
Which is the smallest continent by land area?
The correct answer is Australia.
Which is the largest bone in the human body?
The correct answer is Femur.
Who discovered America?
The correct answer is Christopher Columbus.
What is the currency of Japan?
The correct answer is Yen.
Who is the author of the famous book 'Wings of Fire'?
'Wings of Fire' was written by A.P.J. Abdul Kalam.
Which planet in our solar system is known as the 'Largest Planet'?
Jupiter is known as the Largest Planet.
In which state is Jim Corbett National Park located?
Jim Corbett National Park is situated in Uttarakhand.
Which is the longest river in the world?
The correct answer is Nile.
What is the chemical formula for Baking Soda?
The chemical formula for Baking Soda is NaHCO3.
Who was the first woman Prime Minister of India?
The correct answer is Indira Gandhi.
Who is known as the Iron Man of India?
The correct answer is Sardar Vallabhbhai Patel.
What is the official currency of South Korea?
The currency of South Korea is Won.
Who is credited with the invention of the Telephone?
The Telephone was invented by Alexander Graham Bell.
Deficiency of Iron causes which of the following diseases?
Deficiency of Iron leads to Anaemia.
Where is the headquarters of UNESCO located?
The headquarters of UNESCO is in Paris.
In which year did the First Battle of Panipat take place?
The First Battle of Panipat took place in the year 1526.
Which metal is liquid at room temperature?
The correct answer is Mercury.
Who wrote the Indian National Anthem?
The correct answer is Rabindranath Tagore.
Who painted the Mona Lisa?
The correct answer is Leonardo da Vinci.
A can do a piece of work in 18 days and B can do it in 24 days. In how many days can they complete the work together?
Efficiency sum = 1/18 + 1/24. Total days = 10.29.
A and B together can do a piece of work in 14 days. A alone can do it in 17 days. In how many days can B alone complete the work?
1/B = 1/14 - 1/17. Days = 79.33.
A train 134m long is running at a speed of 82 km/hr. How much time will it take to cross a pole?
Time = Distance/Speed = 134 / (82 * 5/18) = 5.9 sec.
A train 184m long running at 64 km/hr crosses a platform of 121m. Find the time taken.
Total dist = 305. Time = 305 / (64*5/18) = 17.2 sec.
Boat speed in still water is 15 km/hr, stream is 6 km/hr. Time to row 81 km up and down?
Up = 9, Down = 21. Time = 81/9 + 81/21 = 12.9 hr.
Find the simple interest on Rs. 31000 at 5% per annum for 5 years.
SI = PTR/100 = 7750.
The difference between CI and SI for 2 years at 6% is Rs. 61. Find the principal.
Diff = P(R/100)^2. P = 16944.444444444445.
What is the compound interest on Rs. 16000 at 10% p.a. for 2 years?
CI = 16000(1+10/100)^2 - 16000 = 3360.00.
A man buys an article for Rs. 2800 and sells it at a profit of 25%. Find the selling price.
SP = CP * (1 + P/100) = 3500.
A shopkeeper marks his goods 44% above CP and allows a discount of 10%. Find profit %.
Profit % = 44 - 10 - (44*10/100) = 29.60%.
Find the single equivalent discount for successive discounts of 16% and 10%.
Formula: a + b - ab/100 = 24.40%.
In an election between two candidates, the winner got 63% votes and won by 1559 votes. Total votes?
Winner = 63%, Loser = 37%. Diff = 26%. 100% = 5996.
A student gets 24% and fails by 28 marks. Another gets 40% and gets 30 marks more than passing. Find max marks.
Difference in % = 16%. Difference in marks = 58. Max marks = 362.
A bag has Rs 1, 50p, 25p coins in ratio 4:5:4. Total amount is Rs 830. Find number of 50p coins.
Value ratio = 4x + 2.5x + 1x = 830. x = 110.66666666666667. 50p coins = 5*x = 553.
A mixture contains milk and water in ratio 4:2. If 15L of mixture is replaced with water, ratio becomes 1:1. Initial milk?
Formula applied. Initial milk approx 45.0L.
Average weight of 28 boys is 40 kg. If teacher is added, average increases by 3 kg. Teacher's weight?
Teacher = Old Avg + (n+1)*increase = 40 + 29*3 = 127.
A batsman averages 51 in 19 innings. He scores 108 in the next. What is his new average?
New Avg = (19*51 + 108) / 20 = 53.85.
Find the unit digit of (55)^117.
Cyclicity of powers. Unit digit is 5.
Find the LCM of 19 and 27.
LCM = (19*27)/HCF = 513.
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 23m from a point is 60°. Find distance from the base.
tan(60) = h/d => d = 23/√3 = 13.28m.
Length of a rectangle is increased by 13% and breadth by 14%. Find % change in area.
Formula: L + B + (L*B)/100 = 28.82%.
Find the volume of a cylinder with radius 14cm and height 13cm. (π=22/7)
V = πr²h = (22/7)*14²*13 = 8008 cm³.
Find the surface area of a sphere of radius 7cm. (π=22/7)
SA = 4πr² = 4*(22/7)*7² = 616 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 = 44°, find angle PAB.
PA=PB, so Triangle PAB is isosceles. Angle PAB = (180 - 44)/2 = 68°.
A man travels at 23 km/h and returns at 44 km/h. Find average speed.
Avg Speed = 2xy/(x+y) = 2*23*44/(67) = 30.2 km/h.
Walking at 4 km/h, a student is late. At 7 km/h, he is early. If distance is 20 km, find difference in time in minutes.
Diff = (20/4 - 20/7) * 60 = 128 mins.
A die is thrown once. What is the probability of getting a number greater than 4?
Favorable outcomes = 2. Total = 6.
Series: 3, 9, 15, 21, ?
Difference is +6.
Series: 3, 9, 27, 81, ?
Multiplier is x3.
Series: 9, 16, 25, 36, ?
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 7 km. How far is he from start?
Pythagoras: √(6² + 7²) = 9.2.
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 - 6 : 37 :: 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 20th from top and 14th from bottom. Total people?
Total = Top + Bottom - 1 = 33.
Angle between hands of a clock at 8:32?
Angle = |30H - 5.5M| = 64.0°.
Mirror image of clock showing 8:44?
Subtract from 11:60.
If today is Monday, what day will it be after 23 days?
23 % 7 = 2 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.