RRB-NTPC 2021 Mathematics

Practice subject-wise previous year questions

Question 1876

Question 1877

Asian Development Bank (ADB)

African-Asian Rural Development Organization (AARDO)

Centre on Integrated Rural Development for Asia and Pacific (CIRDAP)

Question 1878

# = LQM, % = HMI

# = PMM, % = JUY

# = LJM, % = NHG

# = GYT, % = NYU

Question 1879

Neither conclusion (I) nor (II) follows.

Only conclusion (I) follows.

Only conclusion (II) follows.

Both conclusions (I) and (II) follow.

Question 1880

Question 1881

Question 1882

(20, 363, 18)

(30, 363, 12)

(43, 903, 21)

Question 1883

Polio Eradication Drive

National Vax Mission

Pulse Polio First Dose

Launch of COVID Vaccine

Question 1884

Question 1885

Question 1886

Question 1887

Question 1888

Kolkata-Lucknow Industrial Corridor

Chennai-Bengaluru Industrial Corridor

Vizag-Chennai Industrial Corridor

Delhi-Mumbai Industrial Corridor

Question 1889

Question 1890

Question 1891

Question 1892

Mixed farming

Extensive farming

Wetland farming

Terrace farming

Question 1893

Question 1894

Question 1895

Question 1896

Question 1897

Page Borders

Question 1898

Question 1899

400 nm; blue laser

780 nm; infrared laser

650 nm; red laser

850 nm; near-infrared laser

Question 1900

How many total islands/islets/rocky outcrops are there in the Andaman & Nicobar Islands as per the Andaman and Nicobar Administration?

Which organisation does the Ministry of Rural Development cooperate with for rural development in Asia and the Pacific?

Which of the following letter-clusters should replace # and % so that the pattern and relationship followed between the letter-cluster pair on the left side of :: is the same as that on the right side of ::?&nbsp; #: QVR :: CHD: %

Which country ranked highest overall in the Climate Change Performance Index 2021?

NASA astronaut Sunita Williams returned to Earth in March 2021 after her mission aboard a SpaceX capsule. How much time had she spent in space?

In March 2021, which health milestone was remembered on National Vaccination Day?

If 1 is added to each odd digit and 2 is subtracted from each even digit in the number 5673128, what will be the difference between the digits which are third from the left and second from the right in the new number thus formed?

If 3 times the mother's present age is 36 years more than 5 times her daughter's age, and 3 times the daughter's age is 4 years less than the mother's age, then what is the difference (in years) between the present ages of the mother and the daughter?

A shopkeeper marked his goods at X% above their cost price and sold them at a discount of 10%. If he gained 71% profit, then find the value of X.

What should come in place of the question mark (?) in the given series based on the English alphabetical order?&nbsp; NTZ LRX JPV HNT ?

Which of the following is NOT an industrial corridor planned under the Government of India's infrastructure initiatives?

If 1 is added to each odd digit and 2 is subtracted from each even digit in the number 8271634, how many digits will appear more than once in the new number thus formed?

What type of farming is practised in hill regions by cutting slopes into steps?

The length, width and height of a cuboid are in the ratio 10: 17: 14, and its total surface area is 1096 cm². Find the length (in cm) of the cuboid.

Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete?&nbsp; NQ31, MP40, LO49, KN58, ?

Rishi has ₹1,612 with him. He divided it amongst his sons Shan and Piyush and asked them to invest it at 8% rate of interest per annum, compounded annually. It was seen that Shan and Piyush got the same amount after 19 and 20 years, respectively. How much (in ₹) did Rishi give to Shan?

In a certain code language, 'how are you' is coded as 'jp zl rc' and 'are they coming' is coded as 'zl qn bt'. How is 'are' coded in the given language?

In MS Word, which feature allows users to set the margins of a document, affecting the space between the text and the edges of the page?

What are the wavelength and type of the laser used in a standard CD-ROM drive?

The ratio of incomes of Seema and Darshan is 7: 8. They save ₹15,000 and ₹9,000, respectively. If the ratio of their expenditures is 11: 16, then what is the total expenditure (in ₹) of Seema and Darshan?

Which of the following letter-clusters should replace # and % so that the pattern and relationship followed between the letter-cluster pair on the left side of :: is the same as that on the right side of ::? #: QVR :: CHD: %

What should come in place of the question mark (?) in the given series based on the English alphabetical order? NTZ LRX JPV HNT ?

Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete? NQ31, MP40, LO49, KN58, ?