You Can Score Full Marks In Quantitative Aptitude Section
Data has transformed our life in a way like never before. We have seen an advent of technologies that make it possible to record and transmit data of different kinds across continents and oceans. This has created a need for a workforce with a specialized know-how of how to make sense out of this enormous data. Therefore, developing one’s data interpretation skills not only are useful from exam scenario but even in the long run for a person who wants to grow in a career based on it. Even in day to day life, we come across scenarios where we have to make an informed decision based on inferences drawn from data. When we want to buy a new car or a new mixer or any other appliance or consumer item, we compare prices or ratings. Although such services are readily available on the Internet but still, one with a taste for doing analysis
How to Score High Marks in Quantitative Aptitude Section
Here I am giving you some useful tips to get accuracy in Quantitative Aptitude Section :-
(1.) Acknowledge your math/ data anxiety, if you have and get it solved:- Gabbar Singh said in the blockbuster movie Sholay- “Jo dar gaya samjho mar gaya”. If you are panic about maths, a shift in attitude will work wonders. As you go along with practice, success with problems will give you confidence and gradually dissolves your doubts. Some people develop a fear of mathematics because they believe things about math that aren’t necessarily true. I came in contact with thousands of students who were having maths phobia and they left this section completely. But after guidance, practice and patience they mastered this area.
(2.) Get an Overall Picture:- The first area to work upon is “directions”. You must spend some time in the beginning of the test to read the instructions and try to understand what the data stands for. Carefully noticing the legends and labels on axes or some remark at the bottom of the chart might save you from pitfalls of mistakes.
(3.) Some Spins in questions:- There are some very common mistakes that beginners tend to make in the DI questions which one must understand in order to counter them. Be cautious whenever you are dealing with any unit. Never ignore the units given for the variables in your data (in million dollars, in thousands, tons, milligram etc.). Sometimes the answer choices are arranged in such a way that there is always a strong possibility to pick up the wrong one if one does not consider units. Secondly, it is important to understand the difference between “change in the value of variable ” and “percentage change in the variable”. A change in the value is just the difference between the new and old value; whereas percentage change is given by Change in variable is an absolute difference whereas Percent change is a relative quantity. Thirdly, rely only on the information provided. Making your own assumptions would mislead you towards wrong answers. Also answer the question asked as it is and not what you think the question should be. Derive your answers only from the given data, not on what you think you know about the subject. Looking at the problem objectively is what is required in the exam situation.
(4.) Quick Calculations using Short Cuts: Suitable approximations while doing lengthy calculations can save you significant amount of time. These approximations come very handy while simplifying fractions: Fast calculations determine success in this paper.
If you have to calculate 670 is what percent of 22317? You can say 223= 1% Say 446= 2% Say 669= 3% So answer is 3%. One must use shortcuts to save time while calculating.
i. Doubling-up the value of variable is equal to a raise of 100 per cent, tripling is corresponding to an increase of 200 per cent and so on.
ii. You can simply check and remove silly mistake by keeping some rules in mind. Every number has its digital root which is the sum of its digits e.g. 1967 has digital root 1+9+6+7=23= 2+3= 5 and if you add some number to it, you can simply check it by its digital root e.g if we add 133, answer is 2100. Now 133 has digital root 1+3+3=7 & 2100 has 3. If we want to check, it is 5+7=12=3 and thus 2100 is correct answer. Same applies with subtraction and multiplication.
iii. You can learn the technique of finding average quickly: If production of milk is given as 75421, 75230,75480, 75555 & 75714 then you can simplify by taking 75000 as common. 75000 + (421+230+ 480+ 555+714/ 5) = 75000 + (2400 ÷ 5) = 75000+480= 75480
(5.) Record your progress:- It is a good idea to time yourself while solving problems so that you can have a record of your progress. It would help you to know how much improvement you have made in terms of speed. If you are stuck at some point, you should know how much more time does it need before you move ahead. There may be easier problems with same reward as the hard ones left in the paper out of lack of time if you give too much time to the hard problems. You need to think about what kind of skills are required to ensure long term success in your life. You can accumulate these skills through practice and persistence. The very first step in creating your success is to know what competitive exams expect from you and also to prepare for the obstacles through exploring the world of ideas and acquire information. So have fun with numbers, think them as friends and you will not get afraid of Data interpretation. Let me ask you one interesting question: I am a three digit odd number not divisible by 7. I lie between 400 and 499. Sum of my digits is 19.