Data Interpretation (DI) for IBPS PO and clerk

Data Interpretation (DI) has been the most important part of CWE Exams. One reason Data Interpretation is tricky is because it has no fixed syllabus. Here we provide some tips to crack Data Interpretation Section of IBPS PO CWE. Data Interpretation questions typically have large amounts of data given in the form of tables, pie-charts, line graphs or some non-conventional data representation format. The questions are calculation heavy and typically test your approximation abilities.

Tips for Data Interpretation:

  • Take your time and read carefully. Understand what you are being asked to do before you begin figuring.
  • Check the units required. Be sure that your answer is in thousands, millions, or whatever the question calls for
  • For doing well in DI section, one should be very comfortable with numbers, calculations, fractions and percentages.
  • Try to develop shortcut techniques and approaches that will help you calculate in your head.
  • DO NOT ASSUME information that is not given in the questions.
  • Practice from a lot of sources
  • Learn the value of fractions in percentages.

Resources For DI Preparation :

DI Questions Types:


1.    What percent of total spending is spent on Tennis?

A.  12 ½ %
B.  22 ½ %
C.  25%
D. 45%
E. None of these

2.    How much percent more is spent on Hockey than that on Golf?

A. 27 %
B. 37 %
C. 37.5 %
D. 75 %
E. None of these

3.    If the total amount spent on sports during the year be Rs. 1,80,00,000 , the amount spent on Basketball exceeds on Tennis by:

A. Rs. 2, 50,000
B. Rs. 3, 60,000
C. Rs.3, 75,000
D. Rs. 4, 10,000
E. None of these

4.    How much percent less is spent on Football than that on Cricket?

A. 22 2/9 %
B. 27 %
C. 33 1/3 %
D. 37 1/7 %
E. None of these

ANSWERS With Solutions:

1. (A) [(45 /360)] X 100% = 12 ½

2 (A)

Let the total spending on sports be Rs. x. Then,

Amount spent on Golf = Rs [(36x/ 360 )] = Rs. x/ 10

Amount spent on Hockey = Rs [ ( 63x/360)]= Rs. 7x /40

Difference = Rs. [(7x /40) – (x/10)] = Rs 3x/40

Required percentage = Rs. [ (3x/40)/ x /10) * 100] % = 75%

3. (A) Rs. [ (50 - 45)/ 360) * 1,80,00,000]= Rs. 2,50,000.

4. Answer: (C)

Let the total spending on sports be Rs. x. Then,

Amount spent on Cricket = Rs [( 81/360) * x ) = Rs. 9x/40

Amount spent on Football = Rs [( 54/360) *x] = Rs. 3x/20

Difference = Rs. [ ( 9x /40) – ( 3x/20) ] = Rs. 3x/40

Required percentage = Rs. [ (3x/40/ 9x/40) * 100)] % = 33 1/3 %

Book for Data Interpretation:

How to crack IBPS Banking Exams?

SBI results are just announced and many of you who couldn't clear it are on the way to start preparing for IBPS. There couldn't be any other perfect timing for this post than "Now"!! 

The way to crack Banking exams is to learn daily!!

The whole paper consists of five different sections and, believesme, every section is equally important! If you’re good at English but incompetent at Quant, there are 99.9% chances that you will not make it to the interviews. So, the secret is to be a master in every section!

For Quant!

Believe it or not, if ignoring the printing mistakes and clich├ęs, all the books are just the same. All the same X and Y and all the same calculations. Follow book of Sarvesh K Verma, or Arun Sharma, or of M Tyra, every book will tell you much the same thing!!

But if you really want to feel mathematics in your veins, learn the basics first. If you know one minutes has 60 seconds, you can simply calculate the number of seconds in 27 minutes is this and if the speed is doubled, you can perform this work in this time. And one more thing, don’t go for short trick, invent new tricks of your own! The examiner really isn’t looking for how many tricks you know. He’s looking at how fast you are in arriving at the proper method while solving the question!

Do puzzles! They’re food for thought! Think differently! The next step remains is Practice. Practice questions as much as you can!!

For English!

You see, there are two types of questions they ask from this section: Economics related questions, and Story related. So, try to read both. English can be learned from reading Newspaper (you can read online), from Novels (again, you can read online). For good English, you must have in hand English Dictionary and Thesaurus. These are the bibles! Download Oxford dictionary and thesaurus if you’re comfortable with learning on PC/Lappy.

If you don’t know how a sentence is built up and why two different words combine to give a completely different meaning, you must dive into a different sort of English learning, i.e. the basics grammar. Start from basics. Know what nouns and pronouns and adjectives are. Know how to say of past and present and future in English. Know why a word has many meaning and some words really mean nothing at all. English is fun if you feel it is.

For GK!

There's no proper source. No matter if you’re learning it through capsules, through magazines, through newspapers, or TV of feeds or websites, just learn. GK is to be learned from many sources. Everything that’s been happening around you makes up this section. Whether you're watching AajTak, or downloading the new Movies via Torrent, or waiting for an upcoming novel to be released by ChetanBhagat, Everything becomes a part of GK. So, keep a track of the latest updates. And please, try to grasp the only updates keeping in mind the exam point of view. Examiner never asks if Shakuntala Devi died in her home or in some hospital. They never ask if there are 12 rape cases filed by this and this on this and that date. So, only learn what's beneficial for you! Don’t accumulate junk GK!

For Reasoning!

Now, let’s move on to reasoning section. Reasoning itself means, "How fast you can reason or think!" Start thinking fast/quick! Do practice a lot! Learn new ways yourself! This is the only section where nobody can teach you the perfect logic! You yourself have to devise those logics that fit for you! Ever thought why government asks these reasoning questions when the real job is totally the opposite of it? It’s the reasoning level of you they want to know!

For computers!

It’s a day to day learning. New more technologies are coming overnight. New brands are gaining more popularity than the old ones. Nobody knew Facebook 10 years before, but now it’s the size of a Continent and everybody knows it. So, be in touch with gadget world. Plus, don’t forget to read from where this world came from. Learn basics of semiconductors, then electronics, then basics of digital electronics, then move on to microprocessors, then microcontrollers, then computer, and then everything fits in perfectly! Then only you’ll know how and why a computer works!

Some personal tips!

Gone were the days when people used to study nothing and attempt 195+ questions thereby scoring 150+ marks! Now the whole level has changed. Whole idea of conducting the exams has enhanced. But still, some people make it to the interviews while studying less. It’s because they are smart and they do things smartly!!

Now you have to be smart as well while attempting the paper.

To become smart, there’s only one more thing you have to do apart from learning! And that is “Time Management”

You’re given 2 hours, i.e. 120 minutes. Five sections, that means 24 minutes each. But do you really feel 24 minutes are all for GK or Computer?

GK can be done in 10 minutes itself.

English section can be done in 15-20 minutes.

Computer section can be done in 10-12 minutes.

You can do these sections in less time and utilize the remaining time doing more time consuming questions. What takes time are the Reasoning and Quant section. Reasoning is like a wise lady. Smile and she’ll offer you her gifts. But Quant is treacherous. If you don’t know her methods, you’re doomed! So, devote your maximum time to these two sections.

One more thing to be always kept in mind!

Every section is to be attempted so you can clear the minimum cut off! Don’t waste too much of your time attempting all the 40 questions of reasoning or quant that you have no time to attempt even five questions of the remaining sections!


The ONGC Recruitment is considered as the one of the most respectable, well paying jobs in India. The various disciplines are eligible for applying for various posts. So here we are discussing How to Prepare for ONGC GT .The focus of this post is on how to prepare for the ONGC Graduate Trainee (GT) Exam.we have also discussed different books you should refer to secure your place in ONGC GT Exam.

ONGC Exam Syllabus:

The selection methodology will comprise three-stage process –
  • Written Test .
  • Personal Interview.
  • Medical examination.

Written Test will consist of multiple-choice objective type questions, on below stated subjects.
  • Aptitude ( Around 50 question)
  • General Awareness ( Around 50 question)
  • Subject Knowledge ( Around 100 question)
Aptitude test section contains Comprehension, Reasoning (Verbal/Non-verbal), Numerical Ability/Quantitative Aptitude, Data Interpretation.
Note : Duration for ONGC GT Exam --3 hours.

ONGC GT Exam Sample Papers:

What type of questions are asked in this test? Some sample questions of ONGC written test is definitely going to help you in sizing up the test. I had tried to find those online sample papers for the ONGC written exam and I could find the following sample question papers:

ONGC sample Paper 1

ONGC GT Exam Books:

Junior Engineer Electronics Question Paper

modal paper of JE electronics
Some of my reader asked me to provide modal paper related to electronics engineering. so i collect some importance questions related to electronics engg. that asked in DMRC , BHEL , RRB UPPCL.

There are many good Engineering Entrance Examinations Preparation Books which have proved to very helpful. These books include the test pattern, a well designed study strategy, old question papers and some very useful ticks to save time.

Prevoius year Question Papers of electronics

paper 2

The boundary between p-type material and n-type material is called
a diode.
a reverse-biased diode.
a pn junction.
a forward-biased diode.

An n-type semiconductor material
is intrinsic.
has trivalent impurity atoms added.
has pentavalent impurity atoms added.
requires no doping.
An ideal diode presents a(n) ________ when reversed-biased and a(n) ________ when forward-biased.
open, short
short, open
open, open
short, short
What types of impurity atoms are added to increase the number of conduction-band electrons in intrinsic silicon?
none of the above
There is a small amount of current across the barrier of a reverse-biased diode. This current is called
forward-bias current.
reverse breakdown current.
conventional current.
reverse leakage current.

VSB modulation is preferred in TV because
it reduces the bandwidth requirement to half
it avoids phase distortion at low frequencies
it results in better reception
none of the above

In colour TV receiver, varactor diode is used for
both (a) and (b)
A 400 W carrier is amplitude modulated with m = 0.75. The total power in AM is
400 W
512 W
588 W
650 W

In radar systems PRF stands for
Power Return Factor
Pulse Return Factor
Pulse Repetition Frequency
Pulse Response Factor
Which of the following is the indirect way of FM generation?
Reactance bipolar transistor modulator
Armstrong modulator
Varactor diode modulator
Reactance FM modulator
As the frequency increases, the absorption of ground wave by earth's surface
remains the same
either (a) or (c)
The velocity of sound waves in air
is constant at all temperatures
varies directly as temperature
varies inversely as absolute temperature
varies directly as square root of absolute temperature
The range of a cordless telephone is about
1000 m
500 m
100 m
10 m
The rate at which information can be carried through a communication channel depends on
carrier frequency
transmission loss
transmitted power
A carrier is simultaneously modulated by two sine waves having modulation indices of 0.4 and 0.3. The total modulation index will be

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• Vishwanath Tripathi – Vyas Samman 2013
• Yakov Grigorevich Sinai – Abel Prize 2014
• Yushi (Taiwanese poet) – Thiruvalluvar award

Books for Ordinance Factory Chargeman exam

The Ordnance recently invites the applications for the various posts in different Department and field / trades. The candidates who are eligible and applied for the posts must have to give an examination to qualify and allot the vacant seat of position they applied for recruitment.

Syllabus of Ordinance Factory Chargeman exam :

The syllabus for the written examination will be in conformity with the educational standards and/or technical qualifications prescribed for the posts. The Questions will be of objective type with multiple answers. Questions will include a few questions on aptitude.

A. For Technical Posts

 Trade: Mechanical, Information Technology, Electrical, Civil, Automobile, Electronics

  • General Awareness (Conceptual Business Knowledge) & Technical Aptitude (pertaining to applied post)----30 Marks
  • Computer Applications ( O Level)  20 Marks
  • General Engineering including Engineering Drawing (Diploma Level)---30 Marks
  • Engineering in respective Trades(Diploma Level)----120 Marks

B. For NON-Technical Posts

  • General Awareness (Business Knowledge)                       20 Marks
  • Numerical Aptitude & Non-Verbal Reasoning                 50 Marks
  • Basic English                                                                          10 Marks
  • English OR Hindi (drafting)                                                40 Marks
  • Computer Awareness & Applications (O Level)              20 Marks
  • Conceptual & Application level in Industrial Management for Non-Technical (OTS) ORConceptual & Application level in Stores Management for Non-Technical (Stores)   10 Marks

Books for Ordinance Factory Chargeman exam :