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A car X starts from a town A and goes towards point C. At the same time, car Y starts from a town B(lying between A and C) and goes towards town C. X catches up with Y at a town M between B and C. A car Z starts from town A when the cars X and Y meet. The cars X and Z meet at a point N where CN=AB. The cars Y and Z meet at a point O where MO= 20 miles. Then the length of AB( given AC = 140 miles and BM = 20 miles) is
(a) 20 miles (b) 60 miles (c) 30 miles (d) 40 miles
Ask an MBA aspirant about the types of questions the Data Interpretation (DI) section of CAT contains and most will answer correctly that it contains graphs and tables. Ask them a follow-up to this question, viz. “What kinds of skills are tested by this section?” Most students will now flounder. Some will say that it tests your ability to read graphs, while others will opine that it evaluates your capability to make quick calculations. Their answers often lack an incisive understanding of the real purpose of this section.
Likewise, ask students how good they are in the DI section. Most will reply that it is an easy section (compared to the dreaded Problem Solving section or the Verbal Ability and Reading Comprehension for some) but it takes time to do calculations. This kind of answer indicates the faulty approach most students often take while dealing with this section.
Listening to feedback from students about their performance in this section soon after CAT, projects a new dimension. Most students will claim that they have done fairly well while the reality may be otherwise. They get a shock when they come to know about the actual answers and blame their bad luck for their appalling performance.
Such questions and answers give a clear indication that most students have not, unfortunately, understood the purpose of this section and the approaches to develop proficiency in this section. Without such an understanding, attempting DI problems is like embarking on a journey without knowing your destination and the means of transport.
This article aims to explain the purpose of DI questions.
Unraveling the Purpose of Data Interpretation
Data Interpretation section virtually puts a student in the shoes of a Business Manager, who is inundated with useful (and not so infrequently with useless) data and has to make some quick interpretation of the data to reach important decisions. Once presented with graphs or tables, the mental processor of a manager starts whirring at the top gear and selects, prunes, manipulates, and compares the data and reaches certain conclusions. Successful operations of these processes require that a manager possesses qualities like:
o An eye for detail,
o An ability to focus on key issues quickly,
o An ability to work on numbers in different ways,
o An ability to see a trend,
o An ability to identify exceptional situations,
o An ability to work with logical relationships and
o An ability to reach a conclusion using deductive logic.
I 've analysed several mock and real CAT papers, i 've seen that in terms of grammar, prepositions seem to be one of the most favourite area of Questions Setters. So guys here is some dope on Prepositions. Since i 've collated most of the importants points, you guys could definitely seal this forte after going through this post carefully.
A preposition may be defined as connecting word showing therelation of a noun or a noun substitute to some other word in thesentence (the squirrel in the tree; the preposition in shows therelationship between the squirrel and the tree.).Over ninety percent of preposition usage involves these nine prepositions: with at by to in for from of on
Prepositions cause problems because sometimes they can be usedinterchangeably (He sat on the chair: He sat in the chair), becauseprepositions are often combined with verbs to create phrasal verbs(to look after someone; to look down on someone), and because asingle preposition can be used to express several different ideas(He is tall for his age; I swam for an hour).
The most efficient method of study is to familiarize yourselfwith prepositions and prepositional phrases through practice andmemorization. This is particularly helpful for the bilingualstudent, who often seems to find preposition usage one of the mostdifficult parts of the English language.
Uses of Common Prepositions
Prepositions are used to express a number of relationships,including time, location, manner, means, quantity, purpose, andstate or condition. The following outline demonstrates the uses of common prepositions.
A. TIME
about: about noon (approximately)
at: at five o'clock at last (finally)
after: after the game after lunch after three
by: by midnight (no later than)
for: for an hour (duration)
of: a quarter of three (15minutes before)
in: in the morning in the fall in April in 1987 in six months (at the end of)
B. PLACE OR DIRECTION
around: She walked around the car.
at: They are at home.
down: They lived down the hall.
C. MEANS OR AGENT
by: He was hit by a ball. She came by train. He did it by hard work.
in: He takes pleasure in it.
on: They live on bread and water.
D. MANNER
by: By doing it yourself, you save time
in: He left in confusion The room was in a turmoil. You can do it in a day
on: I swear it on my word of honor
F. QUANTITY OR MEASURE
for: We drove for twenty miles We bought it for ten cents.
by: We bought them by the kilo.
G. PURPOSE
for: He bought it for an emergency. She went to the city for sightseeing.
He loved her for her thoughtfulness.
Uses of Prepositions after Certain Verbs
account for
agree on (something)
agree with (someone)
apologize to
apply for
approve of
argue with (someone)
ask for
believe in
belong to
blame (someone) for (something) blame (something) on (someone)
borrow from
call on (upon)
care for
compliment (someone) on
come from
consent to
consist of
convince (someone) of (something)
decide on (upon)
depend on (upon)
get rid of
hear about hear from hear of
insist on (upon)
invite (someone)
Uses of Prepositions with Certain Adjectives and in Idiomatic Expressions
according to
accustomed to
angry about (something)
capable of
composed of
content with
dependent on (upon)
different from (than)
disappointed in
due to
followed by
fond of
have respect for
in accordance with
to laugh at
So guys , let us try to cage this demon of prepositions :)
ALL THE BEST!!!!
Try to solve this question and will definately change your perception towards p&c.
Q-A set contains 5 natural numbers as {1,2,3,4,5}.what will be the sum of all the possible five digit numbers which we can make from the given set.
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For details see Ahmedabad Mirror (Ahmedabad) September 7, 2008 pg.19
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For details see Times of India (Ahmedabad) September 7, 2008 pg.3