RRB-NTPC 2021 Mathematics

Practice subject-wise previous year questions

Question 2851

Question 2852

68°7'E to 97°25′E

66°30′E to 98°00'E

69°10'E to 96°15′E

70°00′E to 95°30′E

Question 2853

Spring force

Gravitational force

Question 2854

Question 2855

Question 2856

Question 2857

Question 2858

Question 2859

Question 2860

Exercise Shakti

Exercise Yudh Abhyas

Exercise Tarang Shakti

Exercise Vayu Shakti

Question 2861

Question 2862

Hockey Maharashtra

Hockey Punjab

Hockey Haryana

Hockey Jharkhand

Question 2863

Question 2864

Arrest without trial

Censorship of press

Restricitions on freedom of expression

Arrest of political leaders without warrants

Question 2865

It requires a vector for lower tract transmission.

Rhinoviruses only infect the upper respiratory tract.

Antibodies prevent it from entering the lungs.

The virus is destroyed in the alveoli.

Question 2866

Question 2867

Question 2868

Groundwater salinity

Availability of water

Soil fertility

Question 2869

Question 2870

Indian revenue system

Question 2871

Bal Gangadhar Tilak

Jawaharlal Nehru

Subhas Chandra Bose

Mahatma Gandhi

Question 2872

Question 2873

Question 2874

Only 1 and 3

Only 2 and 3

Only 1, 2, and 4 

Only 3 and 4

Question 2875

$2Na + Cl_2 \rightarrow 2NaCl$

$Zn + HCl \rightarrow ZnCl_2 + H_2$

$Cu + HNO_3 \rightarrow Cu(NO_3)_2 + NO_2 + H_2O$

$Cl_2 + H_2O \rightarrow HCl + HOCl$

Anand purchased an item and incurred ₹127 in repair expenses. Subsequently, he sold it to Bharath with a 52% profit. Eventually, Bharath sold the item for ₹4,788, making a 44% loss. What was the original cost (in ₹) of the item for Anand?

What is the longitudinal extent of India?

Which force acts without physical contact and governs celestial body motion in mechanics?

A man receives ₹6,150 per month as salary. He saves 46% of his salary every month. His expenditure per month is:

A right triangle with sides 9 cm, 12 cm and 15 cm is rotated about the side of 9 cm to form a cone. The volume (in cm³) of the cone so formed is:

A class of 30 students appeared in a test. The average score of 12 students is 70, and that of the rest is 64. What is the average score of the class?

If A's salary is 17% more than that of B, then by what percentage is B's salary less than that of A (rounded off to two decimal places)?

A dealer purchased a water heater for ₹2,107. After allowing a discount of 79% on its marked price, he still gains 89%. Find the marked price of the water heater.

If 'P' stands for 'x', 'Q' stands for '÷', 'R' stands for '-' and 'S' stands for '+', then what will come in place of the question mark (?) in the following equation? 81 S 28 R 39 S (98 Q 7) = ?

In 2024, India hosted its first and largest multinational air combat exercise, marking a significant milestone in its defence diplomacy. What was the name of this exercise?

What is the mode of the data given below? [Give your answer correct to 2 decimal places.] Age in years 15-25 25-35 35-45 45-55 55-65 65-75 75-85 No. of patients 31 34 13 19 30 28 29

Who were the defending champions at the 15th Hockey India Senior Women National Championship 2021?

Jagoi and Cholom are the two main divisions of which of the following classical dance forms?

Which of the following was NOT a provision of the Rowlatt Act, which was introduced by the British government to curb political dissent in India?

Why is the common cold rarely considered a lower respiratory tract infection?

Given the cubic equation: $x^3 – 3x^2 + 4x – 12 = 0$. Find the sum of the products of the roots taken two at a time.

Which of the following physical factors influences the compactness of rural settlements in dry regions like Rajasthan?

Which Edition of the European Political Community Summit was held in November 2024?

British land revenue policies were deeply exploitative. Under which system were landlords required to pay a fixed revenue regardless of crop yield?

Which prominent Indian freedom fighter was imprisoned in Mandalay Jail, Burma?

Which of the following tribal communities was primarily involved in the Chuar Rebellion in the Jungle Mahals region?

The Chinese traveler who visited Harsha's court was:

Which of the following is a disproportionation reaction?