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MCQOPTIONS
This section includes 806 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 651. |
Mean of 3 items is 30 two of them are 20 and 30. What is the other? |
| A. | 40 |
| B. | 30 |
| C. | 20 |
| D. | 60 |
| Answer» B. 30 | |
| 652. |
When the measure of kurtosis is greater than 3 the distribution is |
| A. | Mesokurtic |
| B. | Lepto Kurtic |
| C. | Platy Kurtic |
| D. | Symmetric |
| Answer» C. Platy Kurtic | |
| 653. |
x2 - 4 = 0 implies x =……….. |
| A. | 2 |
| B. | -2 |
| C. | ± 2 |
| D. | None |
| Answer» D. None | |
| 654. |
Diagrams are tools of |
| A. | Collection of data |
| B. | Analysis of data |
| C. | Summarisation of data |
| D. | Presentation of Data |
| Answer» E. | |
| 655. |
If the Nth term of an A.P. is 4n-1 then the d is |
| A. | 3 |
| B. | 4 |
| C. | 1 |
| Answer» C. 1 | |
| 656. |
Which of the following are examples of null set |
| A. | Set of even prime numbers |
| B. | Set of letters in English alphabets |
| C. | Set of odd natural numbers divisible by 2 |
| D. | All the above |
| Answer» D. All the above | |
| 657. |
X = 4 + 8y is |
| A. | Quadratic |
| B. | Linear |
| C. | Exponential |
| D. | none |
| Answer» C. Exponential | |
| 658. |
George cantor is the |
| A. | Father of Mathematics |
| B. | Father of statistics |
| C. | Father of Set Theory |
| D. | None |
| Answer» D. None | |
| 659. |
9, 6, 4……………….. is a ………. |
| A. | A.P |
| B. | G.P |
| C. | A.P or G.P |
| D. | None |
| Answer» C. A.P or G.P | |
| 660. |
If is the population at the beginning of an years and the increase is r% p a then the population atthe end of nth years is |
| A. | P ( 1+ r/100)n |
| B. | P + ( n +1 ) pr / 100 |
| C. | P + (n -1) pr / 100 |
| D. | Pnr / 100 |
| Answer» B. P + ( n +1 ) pr / 100 | |
| 661. |
Find the 7th term of series 1,4,7……………… |
| A. | 22 |
| B. | 19 |
| C. | 16 |
| D. | 25 |
| Answer» C. 16 | |
| 662. |
Quadratics eqn is an eqn in which the highest power of the variables is |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | None |
| Answer» C. 3 | |
| 663. |
Break even point is |
| A. | No sales no production |
| B. | No profit no loss |
| C. | Above targeted profit |
| D. | None |
| Answer» C. Above targeted profit | |
| 664. |
The various numbers occurring in a sequence are called |
| A. | Progressions |
| B. | Elements |
| C. | Terms |
| D. | None |
| Answer» D. None | |
| 665. |
…………….. are mathematical statements that contains one or more derivatives |
| A. | Sets |
| B. | Linear eqn |
| C. | Equation |
| D. | None |
| Answer» D. None | |
| 666. |
Co-efficient of standard deviation is |
| A. | SD / Mediam |
| B. | SD / Mean |
| C. | SD/ Mode |
| D. | AM / SD |
| Answer» C. SD/ Mode | |
| 667. |
if the rows and columns of determinant are interchanged, the determinate value …………………. |
| A. | Remains the same |
| B. | The sign of the value is changed |
| C. | Becomes zero |
| D. | None |
| Answer» B. The sign of the value is changed | |
| 668. |
A single value which can represent the whole set of data is called |
| A. | Set |
| B. | Average |
| C. | Interest |
| D. | Matrices |
| Answer» C. Interest | |
| 669. |
For drawing histogram the data should be |
| A. | Discrete series |
| B. | Continuous distribution |
| C. | Individual series |
| D. | Any one of these |
| Answer» C. Individual series | |
| 670. |
A set which is empty (or) consists of a definite number of elements is called |
| A. | Null set |
| B. | Finite set |
| C. | Infinite set |
| D. | None |
| Answer» C. Infinite set | |
| 671. |
Statistics are |
| A. | Aggregate of facts |
| B. | Numerically expressed |
| C. | Systematically collected |
| D. | All these |
| Answer» E. | |
| 672. |
Simultaneous eqns means a set of eqn in …….. unknowns |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Any number |
| Answer» E. | |
| 673. |
A time series is unable to adjust the influences like |
| A. | Customs and policy changes |
| B. | Seasonal changes |
| C. | Long term influences |
| D. | None of these |
| Answer» B. Seasonal changes | |
| 674. |
The number of observations corresponding to a particular class is known as …….. |
| A. | Class Limit |
| B. | Class boundary |
| C. | Class interval |
| D. | Frequency |
| Answer» E. | |
| 675. |
In the following state whether A=B |
| A. | A= {4,8,12,16} B = {8,4,16,18} |
| B. | A= {x : x is a multiple of 10 } B= {10, 15, 20, 25 ….} |
| C. | A= {a, b, c, d} B = {d, c, b, a} |
| D. | None |
| Answer» D. None | |
| 676. |
If the discriminant of a quadratic eqn is zero, the roots are |
| A. | Real and equal |
| B. | Real and unequal |
| C. | Complex |
| D. | Nothing |
| Answer» B. Real and unequal | |
| 677. |
Given the term in the sequence 1,3,7,15,31 next is ……………. |
| A. | 62 |
| B. | 63 |
| C. | 46 |
| D. | 66 |
| Answer» C. 46 | |
| 678. |
The term “Quadratic” comes from |
| A. | Quadratis |
| B. | Quadratice |
| C. | Quadratus |
| D. | None |
| Answer» D. None | |
| 679. |
Equation ax2 + b = 0 |
| A. | Pure quadratic equation |
| B. | General quadratic equation |
| C. | Not a quadratic equation |
| D. | None |
| Answer» B. General quadratic equation | |
| 680. |
The second quartile is equal to |
| A. | Mean |
| B. | Median |
| C. | Mode |
| D. | Standard deviation |
| Answer» C. Mode | |
| 681. |
Which is also known as property method |
| A. | Roster method |
| B. | Set builder method |
| C. | Both a and b |
| D. | None |
| Answer» C. Both a and b | |
| 682. |
If a is the first term and r is the common ratio then the nth term of the GP is |
| A. | a(1-r) |
| B. | a (1 –rn) |
| C. | arn-1 |
| D. | − 1 − 1 |
| Answer» D. − 1 − 1 | |
| 683. |
Tabulation is the presentation of data in |
| A. | Groups |
| B. | Rows |
| C. | Columns |
| D. | Rows and columns |
| Answer» E. | |
| 684. |
The solution of the equation 4 =2/3 x is ………….. |
| A. | 6 |
| B. | 12 |
| C. | 8 |
| D. | 16 |
| Answer» B. 12 | |
| 685. |
Consumer price Index number is constructed for |
| A. | A well defined section of people |
| B. | All people |
| C. | Factory workers only |
| D. | All the above |
| Answer» B. All people | |
| 686. |
A (B+C) = AB + AC is a |
| A. | Associative law |
| B. | Cumulative law |
| C. | Distributive law |
| D. | Corresponding law |
| Answer» D. Corresponding law | |
| 687. |
tn in AP is |
| A. | a + (n -1 ) 2d |
| B. | a +(n -1 ) d |
| C. | a + (d -1 ) n |
| D. | none |
| Answer» C. a + (d -1 ) n | |
| 688. |
d of the A.P. 1,-1,-3,-5,…………….. is |
| A. | 1 |
| B. | -1 |
| C. | -2 |
| D. | 2 |
| Answer» D. 2 | |
| 689. |
When mean is less than median and median is less than mode the distribution is called …………… |
| A. | Symmetric |
| B. | Negatively skewed |
| C. | Positively skewed |
| D. | None |
| Answer» C. Positively skewed | |
| 690. |
CI is equal to |
| A. | A + P |
| B. | A – P |
| C. | A X P |
| D. | None |
| Answer» C. A X P | |
| 691. |
A sequence is called infinite if it is not a |
| A. | Finite sequence |
| B. | AP |
| C. | Progressions |
| D. | None |
| Answer» B. AP | |
| 692. |
It is an eqn is one or more variables where each terms degrees is not more than I is |
| A. | Simultaneous eqn |
| B. | Linear eqn |
| C. | Eqn |
| D. | none |
| Answer» C. Eqn | |
| 693. |
Moving average method of fitting trend in a time series data removes the effect of |
| A. | Long term movements |
| B. | Short term movements |
| C. | Cyclic Variations |
| D. | Irregular variations |
| Answer» C. Cyclic Variations | |
| 694. |
The sum n term of an A P with first term a and common difference d is |
| A. | Na |
| B. | n/2 [2a +(n-1)d] |
| C. | A + (n-1)d |
| D. | − 1 − 1 |
| Answer» C. A + (n-1)d | |
| 695. |
Histogram is useful to determine |
| A. | Mean |
| B. | Median |
| C. | Mode |
| D. | All these |
| Answer» D. All these | |
| 696. |
The sum of an in finite G.P. is , where ‘r’ is |
| A. | Numerically less than 1 |
| B. | Equal to 1 |
| C. | ± 1 |
| D. | Any value |
| Answer» B. Equal to 1 | |
| 697. |
Ruby can be used for developing internet and intranet applications. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 698. |
It is must for Ruby to use a compiler. |
| A. | True |
| B. | False |
| Answer» C. | |
| 699. |
Ruby can be embedded into Hypertext Markup Language(HTML). |
| A. | True |
| B. | False |
| Answer» B. False | |
| 700. |
Which of the following are valid floating point literal? |
| A. | 0.5 |
| B. | 2 |
| C. | 0.5 |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |