Preparing for Bank PO exams is not a
difficult task, if proper schedule for study is followed. IBPS PO 2016
notification is officially out and registration has also started. This time
there is a decline in the number of opening with IBPS Banks. The number of
openings this time is 8822, which is obviously very less than the previous
years. So, it has become very challenging to appear in the merit list for
aspirants. So, there is a requirement of proper studied with proper scheduling.
In this article, we will talk about few
important tricks from sections of exam. A study of 6 – 7 hours is enough for
cracking banking exams, but if done with concentration and proper tips and
tricks.
Let’s discuss tips and tricks for Percentage Problems in Quantitative
Aptitude
1.
How to solve problems on
percentage with less time and greater accuracy
Problem: The sales of a company decreased
by 30% from 2007 to 2008, whereas the sales of the company increased by 10%
from 2008 to 2009. Find the overall percentage change from 2007 to 2009?
Solution:
r1= 30%
r2= 10%
Because r1’s percentage is decreasing
therefore,
r1= -r1%
r1= -30%
As r2 is increasing therefore,
r2= 10%
Overall percentage change = r1 + r2 + [ r1
* r2 / 100]
r1 +
r2 + [r1 * r2 / 100]
= (-30) + 10 + [(-30) * 10/100)
= -30+10-3
=-23%
Negative
signs depict decrease in quantity.
So, it is very easy to solve percentage
problems, if you understand what is asked in question properly and remember all
formulas.
Let’s take a look at Blood Relationship
Problems of Reasoning
2.
Blood Relationship Problems-
tips and tricks
Problem: If P is the brother of Q and R, S
is R’s mother. T is P’s father; find how S is related to T
Solution:
A. Parent – child :
B: Siblings
C. Couple
Male would be represented by the color A
Female would be represented by the color A
Now
considering all the conditions given in question and drawing a conclusion out
of it:
From this chart shown above, it can be
concluded that S is wife of T
Better analysis and tricks are required to
solve blood relationship problems of reasoning section.
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