Explore topic-wise MCQs in Current Affairs.

This section includes 3246 Mcqs, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.

201.

Karl Pearson’s coefficient of correlation is denoted by the symbol ..................

A. r
B. r
C. k
D. none of the above
Answer» C. k
202.

Coefficient of correlation lies between .....................................

A. 0 and 1
B. 0 and -1
C. +1 and -1
D. none of these
Answer» D. none of these
203.

Coefficient of correlation measures ...........................................

A. location
B. variability
C. concentration
D. relation
Answer» E.
204.

The quantitative measure of correlation between two variables is known as.....................

A. coefficient of correlation
B. coefficient of regression
C. coefficient of determination
D. none of the above
Answer» B. coefficient of regression
205.

If all the dots of a scatter diagram lie on a straight line falling from the upper left-hand corner tothe lower right hand corner, the correlation is said to be ..........................

A. zero correlation
B. perfect positive correlation
C. perfect negative correlation
D. high degree of negative correlation
Answer» D. high degree of negative correlation
206.

If all the points of a scatter diagram lie on a straight line falling from the lower left-hand corner tothe upper right-hand corner, the correlation is said to be ..........................

A. zero correlation
B. perfect positive correlation
C. perfect negative correlation
D. high degree of positive correlation
Answer» C. perfect negative correlation
207.

Scatter diagram is also called ...................................

A. correlation graph
B. zero correlation
C. probability
D. none of the above
Answer» C. probability
208.

When the values of two variables move in the opposite direction, correlation is said to be……

A. positive
B. negative
C. linear
D. non-linear
Answer» C. linear
209.

When the amount of change in one variable leads to a constant ratio of change in the othervariable, correlation is said to be ............................

A. positive
B. negative
C. linear
D. non-linear
Answer» D. non-linear
210.

When the values of two variables move in the same direction, correlation is said to be ..........

A. positive
B. negative
C. linear
D. non-linear
Answer» B. negative
211.

Correlation analysis is a........................... analysis.

A. univariate analysis
B. bivariate analysis
C. game theory
D. queuing theory
Answer» E.
212.

.............................. is a powerful device developed over the matrix algebra.

A. integration
B. differentiation
C. determinants
D. none of these
Answer» D. none of these
213.

The techniques which provide the decision maker a systematic and powerful means of analysis toexplore policies for achieving predetermined goals are called.................

A. mathematical techniques
B. correlation technique
C. quantitative techniques
D. none of the above
Answer» D. none of the above
214.

.................................is the reverse process of differentiation

A. differential equation
B. integration
C. determinant
D. none of these
Answer» C. determinant
215.

Programming techniques are generally known as ...................................

A. statistical techniques
B. mathematical techniques
C. operation research techniques
D. none of these
Answer» C. operation research techniques
216.

Decision Nodes are represented by ------

A. Disks
B. Squares
C. Circles
D. Triangles
Answer» C. Circles
217.

Region of feasible solution in LPP graphical method is called

A. Infeasible region
B. Unbounded region
C. Infinite region
D. Feasible region
Answer» E.
218.

In linear programming, unbounded solution means --------------

A. Infeasible region
B. Degenerate solution
C. Infinite solution
D. Unique solution
Answer» D. Unique solution
219.

----- are the whose values are to be determined from the solution of the LPP

A. Objective function
B. Decision variables
C. Constrains
D. Opportunity cost
Answer» C. Constrains
220.

............................. is the reverse process of differentiation

A. Differential equation
B. Integration
C. Determinant
D. None of these
Answer» C. Determinant
221.

When it is not possible to find solution in LPP, it is called as case of ---------

A. Unknown solution
B. Unbounded solution
C. Infeasible solution
D. Improper solution
Answer» D. Improper solution
222.

The techniques which provide the decision maker a systematic and powerful means ofanalysis to explore policies for achieving predetermined goals are called.................

A. Mathematical techniques
B. Correlation technique
C. Quantitative techniques
D. . None of the above
Answer» D. . None of the above
223.

Objective function is expressed in terms of the --------------

A. Numbers
B. Symbols
C. Decision variables
D. None of the above
Answer» D. None of the above
224.

Chance Nodes are represented by __________

A. Disks
B. Squares
C. Circles
D. Triangles
Answer» D. Triangles
225.

When the values of two variables move in the same direction, correlation is said to be..........

A. Positive
B. Negative
C. Linear
D. Non-linear
Answer» B. Negative
226.

---------- are the restrictions or limitations imposed on the LPP

A. Variables
B. Cost
C. Profit
D. Constraints
Answer» E.
227.

Correlation analysis is a ............................analysis.

A. Univariate analysis
B. Bivariate analysis
C. Multivariate analysis
D. Both b and c
Answer» E.
228.

When the feasible region is such that the value of objective function can extended toinfinity, it is called a case of ------------

A. Infeasible region
B. Alternate optimal
C. Unbounded solution
D. Unique solution
Answer» D. Unique solution
229.

...............................is an operation research technique which resembles a real lifesituation.

A. Decision theory
B. Simulation
C. Game theory
D. Queuing theory
Answer» C. Game theory
230.

C.P.M. stands for..........................................................

A. Critical Process Method
B. Critical Performance Measurement
C. Critical Path Method
D. Critical Programme Method
Answer» D. Critical Programme Method
231.

The word correlation usually implies.............................

A. Cause and effect relationship
B. Mutual interdependence
C. Both
D. None of the above
Answer» D. None of the above
232.

A _________ is a decision support tool that uses a tree-like graph or model of decisionsand their possible consequences, including chance event outcomes, resource costs, and utility.

A. Decision tree
B. Graphs
C. Trees
D. Neural Networks
Answer» B. Graphs
233.

When the values of two variables move in the opposite direction, correlation is said to be........................

A. Positive
B. Negative
C. Linear
D. Non-linear
Answer» C. Linear
234.

------------ specifies the objective or goal of solving the LPP

A. Objective function
B. Decision variables
C. Constraints
D. Opportunity cost
Answer» B. Decision variables
235.

When the constraints are a mix of ‘less than’ and ‘greater than’ it is called a problemhaving

A. Multiple constraints
B. Infinite constraints
C. Infeasible region
D. Mixed constraints
Answer» E.
236.

The headquarter of world Bank is at ------------------

A. Washington DC
B. Paris
C. Geneva
D. London
Answer» B. Paris
237.

Floating exchange rate become common in ----------------

A. 1980’s
B. 1970’s
C. 1960’s
D. 1950’s
Answer» C. 1960’s
238.

Political instability leads to ------------- in the value of that country’s currency

A. Decrease
B. Stability
C. Increase
D. None of these
Answer» B. Stability
239.

IDA loans are known as -------------

A. IDA window
B. IDA credits
C. IDA loans
D. None of these
Answer» C. IDA loans
240.

GATT was constituted in ----------------

A. 1946
B. 1947
C. 1948
D. 1950
Answer» D. 1950
241.

Which is the largest financial market in the world

A. International Capital Market
B. International financial market
C. Foreign exchange market
D. None of these
Answer» D. None of these
242.

The demand for foreign exchange is determined by country’s ------------

A. Exports
B. Imports
C. Exports and imports
D. None of these
Answer» C. Exports and imports
243.

Bretton wood twins are ------------------

A. IMF& world Bank
B. IMF & ADB
C. IBRD & IFC
D. IDA & IFC
Answer» D. IDA & IFC
244.

The ADB was set up in the year

A. 976
B. 1967
C. 1965
D. 1966
Answer» E.
245.

Which is the world’s largest source of concession assistance

A. IFC
B. IMF
C. IBRD
D. IDA
Answer» E.
246.

Yen is the currency of ----------

A. China
B. Singapore
C. Malaysia
D. Japan
Answer» E.
247.

IMF started its functioning from

A. 1947
B. 1948
C. 1958
D. 1978
Answer» B. 1948
248.

The convertibility of dollar was formally abandoned in ---------------

A. 1962
B. 1966
C. 1973
D. 1971
Answer» E.
249.

Determining the exchange rate at a higher level than prevailing in the foreign exchange market is known as ------------

A. Pegging up
B. Pegging down
C. Undervaluation
D. None of these
Answer» B. Pegging down
250.

EXIM Bank of India was established in ---------------

A. 1980
B. 1981
C. 1982
D. 1983
Answer» D. 1983