RRB-NTPC 2021 General Awareness

Practice subject-wise previous year questions

Because evaporation increases particle size

Because evaporation reduces air pressure

Because particles lose heat to the surroundings during evaporation

Because particles absorb latent heat from the surroundings during evaporation

It decreases.

It increases.

It remains the same.

It is not affected by the temperature.

75th Amendment

74th Amendment

73rd Amendment

70th Amendment

Data in statements I and II together (and not statement I alone or statement II alone) are sufficient to answer the question

Data in statement II alone is sufficient to answer the question while data in statement I is not

Data in statement I alone is sufficient to answer the question while data in statement II is not

Data in statements I and II together are NOT sufficient to answer the question 

They do not show the Tyndall effect.

They have strong affinity for the dispersion medium.

They are unstable compared to lyophobic sols.

They are easily coagulated by electrolytes.

Green Economy

Inclusive Growth

Sustainable Development

Ecological Modernisation

Indigo farmers in Bihar

Cotton mill workers in Bombay

Tea plantation workers in Assam

Peasant tenants in Awadh

Anurag Mehrotra

Santosh Iyer

Hardeep Singh Brar

Balbir Singh Dhillon

Decreases by 26.49%

Decreases by 30.57%

Increases by 21.55%

Increases by 25.16%

disease susceptibility

reproductive speed

Only conclusion (I) follows.

Neither conclusion (I) nor (II) follows. 

Only conclusion (II) follows.

Both conclusions (I) and (II) follow.

Question 100

biodegradation

biomagnification

biotransformation

bioaccumulation

Why does evaporation cause cooling?

A machine depreciates at a rate of 10% per annum. If the current value of the machine is ₹1,00,000, what will be its value after 2 years?

What happens to the speed of sound in a medium when its temperature increases?

The reservation of seats for women in Panchayati Raj institutions is provided by which of the following Constitutional amendments?

Which of the following numbers is divisible by 39?

Which statement about lyophilic sols is correct?

If the ratio of two numbers is 5: 4 and their HCF is 5, find their LCM.

The Brundtland Report, 'Our Common Future' (1987), formally introduced which key concept, defined as meeting present needs without compromising the ability of future generations to meet their own?

The Champaran Satyagraha of 1917, Gandhi's first major involvement in India's freedom struggle, was launched in support of which group?

Who was appointed as the president and chief executive officer of BMW Group India as of September 2021?

Three bells ring at intervals of 12, 15 and 18 minutes. If they rang together at 10:00 am, when will they ring together again?

The simple interest (in ₹) on ₹5,000 at 5% per annum for 2 years is:

The price of fuel decreases by 10%, 45% and 10% in three successive months, but increases by 65% in the fourth month. What is the percentage increase/decrease in the price of fuel in the fourth month as compared to its original price? (Round off the answer to two decimal places.)

A, B, C, D, E and F have different heights. E is taller than exactly $4$ people and F is shorter than exactly $4$ people. D is shorter than A but taller than C. C is not the shortest. How many people are shorter than C?

The main advantage of genetic variation in a population is to enhance:

In a certain code, 'dogs bark loud' is coded as 'xl mn vc', 'cats and dogs' is coded as 'rs tp xl', and 'bark and play' is coded as 'mn rs wz'. What is the code for 'cats' in that code? (All codes are two-letter codes.)

Ramanand spends $48\%$ of his income on food, $25\%$ on house rent, $12\%$ on conveyance and $60\%$ of the remaining on children's education. Find the percentage of his income left with him.

Refer to the following letter, number, symbol series and answer the question. Counting to be done from left to right.&nbsp; (Left) $ T 1 &amp; 9 Z 7 * A 0 # K @ N Z (Right) How many such numbers are there which are immediately preceded by a symbol and also immediately followed by a letter?

If $₹10,000$ becomes $₹12,100$ in $2$ years at compound interest compounded annually, what is the annual percentage rate of compounding?

The simple interest on a certain sum of money at $8\%$ per annum for $3$ years is $₹360$ more than the simple interest on the same sum at $6\%$ per annum for $3$ years. Find the principal.

What is the average of $6, 8, 10$ and $12$?

The progressive increase in pesticide concentration at successive trophic levels is termed as:

Refer to the following letter, number, symbol series and answer the question. Counting to be done from left to right. (Left) $ T 1 & 9 Z 7 * A 0 # K @ N Z (Right) How many such numbers are there which are immediately preceded by a symbol and also immediately followed by a letter?