shortcut methods for bank exams-quantitative aptitude
In bank exams,time management is very crucial,so you have to solve the problem/question in 30 to 45 seconds,depends on exam time.Quantitative aptitude section very easy,when you know the shortcut/tricks methods.Here we are providing you some short tricks to solve the problems in very less time,which will helps you in exams.When you compare with other sections like computer knowledge,general awareness & english sections,quantitative aptitude section will take more time,so you must know the tricks and tips to solve the questions.It’s time to learn shortcut methods for bank exams,so we are starting/taking topic wise,today know the percentages tricks.
Questions:
1. The price of petrol is increased by 25%. By what percent the consumption be reduced to make the expenditure remain the same?
a. 25% b. 33.33% c. 20% d. None
2. If the length of a rectangle is increased by 33.33%, by what percentage should the breadth be reduced to make the area same?
a. 20% b. 33.33% c. 25% d. None
you may have seen this type of questions in main exams,if you wanna solve this problems using formulas/methods,will take much time.
have the below list
10% 0.1 1/10
12.5% 0.125 1/8
16.66% 0.1666 1/6
20% 0.2 1/5
25% 0.25 1/4
30% 0.3 3/10
33.33% 0.3333 1/3
40% 0.4 2/5
50% 0.5 1/2
60% 0.6 3/5
62.5% 0.625 5/8
66.66% 0.6666 2/3
70% 0.7 7/10
75% 0.75 3/4
80% 0.8 4/5
83.33% 0.8333 5/6
90% 0.9 9/10
100% 1.0 1
Short trick for above problems:
in first problem,he want to bring back the original value,so need to decrease the value.
price increased,so became–25%
in the above list,see the next decreased value from 25% IS 20% so yopur answer is 20%
in second problem
increased value——–33.33%
next decreased value–30%,SO ANSWER IS 30%
