List of practice Questions

The area (in sq. units) of the region bounded by the parabola y2 = 4x and the line x = 1 is

Let A = [aij]2x3 and B = [bij]3x2, then |5AB| is equal to

An annuity in which the periodic payment begin on a fixed date and continue forever is called

Which of the following is not a component of the time series?

The original value of an asset minus the accumulated depreciation at a given date is known as

Which of the following are correct about the Sinking Fund?
(A) It is a fixed term account.
(B) It is a set-up for a particular upcoming expense.
(C) A fixed amount at regular intervals is deposited in the Sinking Fund.
(D) It can be used in any emergency.
Choose the correct answer from the options given below:

Let A = \{1, 2, 3\}. Then, the number of relations containing (1, 2) and (1, 3), which are reflexive and symmetric but not transitive, is

Let A = [aij]2x3 and B = [bij]3x2, then |5AB| is equal to

Let AX = B be a system of three linear equations in three variables. Then the system has
(A) a unique solution if |A| = 0
(B) a unique solution if |A| $\neq$ 0
(C) no solutions if |A| = 0 and (adj A) B $\neq$ 0
(D) infinitely many solutions if |A| = 0 and (adj A)B = 0
Choose the correct answer from the options given below:

An annuity in which the periodic payment begin on a fixed date and continue forever is called

Which of the following are correct about the Sinking Fund?
(A) It is a fixed term account.
(B) It is a set-up for a particular upcoming expense.
(C) A fixed amount at regular intervals is deposited in the Sinking Fund.
(D) It can be used in any emergency.
Choose the correct answer from the options given below:

The unit of \( E_{\text{cell}} \) is

Match compound/elements of List-I with their uses given in List-II \[ \begin{array}{|l|l|} \hline \textbf{List-I} & \textbf{List-II} \\ \hline (A) \; \text{Magnesium based alloy is constituent of} & (I) \; \text{Bullets} \\ \hline (B) \; \text{Lanthanoid oxide} & (II) \; \text{Petroleum cracking} \\ \hline (C) \; \text{Mixed oxides of Lanthanoids are employed in} & (III) \; \text{Television screen} \\ \hline (D) \; \text{Misch metal} & (IV) \; \text{Lanthanoid metal and iron} \\ \hline \end{array} \]

What is the color of Fe\(^{3+}\)(aq) ion?

What is the decreasing order of field strength of given ligands? (A) S\(^{2-}\)
(B) Ethylenediamine
(C) NCS\(^{-}\)
(D) CN\(^{-}\)

Hell-Volhard Zelinsky reaction is used for the formation of

The structural feature in carbonyl compound for Aldol condensation is:

The nitrogen atom in amines is trivalent and possess an unshared pair of electrons. The geometry of trimethyl amine is:

Choose the option that best describes the idiom given below:
To catch a tartar

Read the passage given below carefully and answer the question that follows:
...However, just as the existence of pink does not undermine the distinction between red and white, and dawn doesn't indicate that day and night are really the same, this problematic fringe area doesn't negate the fundamental differences between science and its impostors...
Doctors and scientists continue to debate whether certain types of alternative medicine are scientific or pseudo-scientific. How is this information relevant to the passage?

Read the passage given below carefully and answer the question that follows:
...The philosopher Willard Van Orman Quine ventures even further and maintains that experience never forces one to reject any particular belief. He views science as an integrated web of interconnecting hypotheses, procedures, and formalisms, and argues that any impact of the world on the web can be distributed in many different ways. If we're willing to make drastic enough changes in the rest of the web of our beliefs, the argument goes, we can hold to our belief in the efficacy of the above diet, or indeed in the validity of any pseudoscience.
The author of the passage would most likely inclined to agree with the individual who argues that Willard Van Orman Quine's philosophical views are: