RRB-NTPC 2021 Mathematics

Practice subject-wise previous year questions

Supplementation of iron and folic acid

Tetanus immunisation

Education on breastfeeding practices

Intrauterine insemination (IUI)

Agnishodh, the Indian Army Research Cell (IARC) 

Bharat Military Technology Incubation Hub

Project SAMBHAV Secure Army Mobile Lab

Defence Innovation and Technology Research Centre

Tax on capital gains

Corporate tax

Value Added Tax (VAT)

Karnataka Classical Music

Hindustani Classical Music

Hindustani Lok Music

Karnataka Folk Music

Wild water buffalo

Prof. Anu Singh Lather

Prof. Uma Kanjilal 

Prof. Shashikala Wanjari

Dr. Najma Akhtar

Hydroelectric

Trewartha Classification

Thornthwaite Classification

Strahler Classification

Koppen Classification

Gain, $10\%$

Gain, $9.5\%$

Loss, $11.5\%$

Loss, $10\%$

Great Wall Initiative

Economic Belt Initiative

Economic Corridor

Belt and Road Initiative

Which of the following is NOT a component of essential maternal care?

What should come in place of the question mark (?) in the given series? 7, 25, 61, 115, 187, ?

What was the ranking of India in the Sustainable Development Goals (SDG) Index according to the 2021 edition of the Sustainable Development Report released in June 2021?

MOST is related to EFKK in a certain way based on the English alphabetical order. In the same way, GEMJ is related to YVEA. To which of the given options is IDOI related, following the same logic?

In August 2021, which facility was inaugurated by the Chief of the Army Staff (COAS), General Upendra Dwivedi, at IIT Madras to bridge academic research and military needs?

The sides of a triangle are 70 cm, 56 cm and 42 cm. What is its area? (in $cm^2$)

During a sale 50% of the goods are sold at 45% profit, 30% of the remaining goods are sold at 27% profit and the still remaining goods are sold at a loss of 43%. If there is an overall profit of x%, then what is the value of x?

Find the weighted average of the numbers 17, 12, 23, 45, and 301, using the respective weights 29, 87, 15, 26, and 18.

Which of the following is NOT a direct tax?

Gharana Parampara is found in which of the following?

Which of the following zones lies between low and high tide in sea margins?

A shopkeeper lists the price of a fan at 50% above its cost price and offers a 10% discount on its list price. If he earns a profit of ₹56, then what is the list price (in ₹) of the fan?

As per Zoological Survey of India's 'Animal Discoveries - New Species and New Records 2023', which species is recognised as the largest existing bovine in India?

Who has been appointed as the first woman Vice Chancellor of the Indira Gandhi National Open University (IGNOU) on July 2021?

According to the Ministry of Power, which of the following is the primary source of energy in India? (As of May 2023).

Which climate classification system is most widely used in the world?

Which of the following numbers is divisible by 93?

The sides of a triangle are $189$ cm, $48$ cm and $195$ cm. What is its area? (in $cm^2$)

The ratio of the cost prices of articles X and Y is $2:3$. A man earns a profit of $43\%$ by selling X and loses $12\%$ by selling Y. What is his gain/loss percentage in the entire transaction?

The ages of P and Q are in the ratio $5:9$. If P's age is $25$ years, then Q is how many years older than P?

What is China's global infrastructure initiative aimed at fostering connectivity worldwide, launched in $2013$?

A $40$ kg object is moved horizontally from point A to point B on a table. What is the work done by gravity during this movement?

The number $699138$ is divisible by: