List of top Questions asked in CUET (PG)

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Smog refers to heavily polluted air that forms in cities during winter.
Reason (R) : It is the emission of CH$_4$ and aerosols from the burning of fossils.
In the light of the above statements, choose the most appropriate answer from the options given below :

Which one of the following is NOT an objective of Air Monitoring ?

What is the relative efficiency of air molecules to scatter blue light ($\lambda = 470$ nm) as compared to red light ($\lambda = 640$ nm)?

Which one of the following is INCORRECT about the impact of atmospheric pollution and emission of Greenhouse gases ?

Which one of the following is artificial pollutant ?

Which one of the following reservoirs of water in the Earth system has largest residence time ?

Which of the following statements are correct about the correlation co-efficient ?
A. Its value falls between $-1$ and $+1$.
B. Its value changes when the unit of measurement gets changed.
C. It measures only the strength of linear association between variables.
D. It is a dimensionless quantity.
Choose the correct answer from the options given below :

Which of the following statements are correct about standard deviation ?
A. It is the root-mean-square deviation from mean.
B. It is always positive.
C. It is dependent of the change of origin.
D. It is independent of the scale of measurement.
Choose the correct answer from the options given below :

Which of the following statements are correct about central tendency ?
A. Quartiles are those values which divide the frequency into four equal parts, when values are arranged in ascending order.
B. Lower quartile is mid-way between lower extreme and the mean.
C. Upper quartile is mid-way between upper extreme and median.
D. Difference between lower and upper quartiles is the inter-quartile range.
Choose the correct answer from the options given below :

Let $x_1, x_2, \ldots, x_{n_1}$ and $y_1, y_2, \ldots, y_{n_2}$ are two independent random samples from normal population with same variance. To test the hypothesis, the t-test is given by : [Here $\mu_1$ and $\mu_2$ are means of two samples].

Which one of the following is INCORRECT about normal distribution?
(1) It is bell-shaped and symmetrical about its mean.
(2) Its mean, median and mode are same.
(3) Mean deviation from the mean is $\frac{4}{5}$ times standard deviation.
(4) Area under the normal distribution within three standard deviation from mean is 95.5%.

The errors of an experiment are of random nature and follows a normal distribution. If standard deviation is '$\sigma$', the probable error is:

Which one of the following is mathematical notation for precision? [where $\sigma$ is standard deviation]

The variance of 20 observations is 5. If each observation is multiplied by 2, then, the new variance of resulting observations is:

A Computer uses ASCII for internal representation of characters. Arrange the following ASCII characters in ascending order : A. \( A1 \)
B. \( 1A \)
C. \( a2 \)
D. \( 2a \)
E. \( aA \) Choose the correct answer from the options given below :

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Optical disk drives are slower than magnetic disk drives. Reason (R): In optical disk, each sector has the same length regardless of its position from the center. In the light of the above statements, choose the most appropriate answer from the options given below :

Consider the following statements about debugging and choose the correct statements: A. The process of validating the correctness of a program is debugging.
B. Debugging depends largely on the programmer and error.
C. Debugging is a definable process and planned ahead before the program.
D. Debugging process ends temporarily only.
Choose the correct answer from the options given below:

Which one of the following is NOT a component of database management system?

The octal equivalent of Binary 101110010 is:

Which one of the following is INCORRECT about Input Unit of a Computer ?

The decimal equivalent of hexadecimal 3AF is:

Which one of the following is a feature of CPU-bound jobs?

The complement of \( 27_{10} \) is :

Consider the following statements about set:
A. $35 \in \{x : x \text{ has exactly four positive factors}\}$}
B. $128 \in \{y : \text{the sum of all positive factors of } y \text{ is } 4y\}$}
C. $3 \notin \{x : x^4 - 5x^3 + 2x^2 - 112x + 6 = 0\}$}
D. $28 \in \{y : \text{the sum of all positive factors of } y \text{ is } 2y\}$} Choose the correct answer from the options given below:

Which one of the following is not I/O device ?