TRICKS,TIPS AND SHORTCUTS OR SOLVING PROBLEMS BASED ON RATIO
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TRICKS,TIPS AND SHORTCUTS FOR SOLVING PROBLEMS BASED ON RATIO
Hi Bankersdaily Aspirants,
“Lots of people dream big and talk about big bold ideas but never do anything.
I judge people by what they’ve done. The ratio of something to nothing is infinite. So just do something.”
Aspirants,Since IBPS RRB is heading soon and i think all were in the preparation and this learn series is for the beginners who had just started their preparation for the upcoming competitive exams and for the Aspirants who are searching for Tricks,Tips and Shortcuts to Solve Problems in Ratio and Proportions.Aspirants,as you all know RRB Prelims Section consists of Numerical Ability and Reasoning Section.In which Numerical Ability has Miscellaneous Questions for 15 marks.
Ratio and Proportion are most important topic because Ratio and Proportion are used to solve Problems in Various Section.So now let us see Tricks,Tips and Shortcuts To Solve Problems based on Ratio and Proportion.
LEARN ALL THE TOPICS BY JUST ONE CLICK
RATIO:
Ratio can be simply said as fractions. A number which is written as a fraction. Then, the Ratio’s specified is not the exact value and it is the multiples of the value specified.
Ratio compares 2 numbers and they should be of the same unit
The reciprocal of the same number is not same ie (4/3) is not equal to(3/4)
Example:
| 4 The value is Multiples of 4 |
| 3 The value is Multiples of 3 |
# 1.TYPE 1:
BASIC PROBLEMS:
This is Basic type of questions in Ratio and Proportion,In this type Question contains Individual Ratio/Total Ratio and Individual Value/Total Value then,you will be asked to find the Ratio or Value.Since these type of questions are basic questions,and they can used in any other topic
1.If a certain sum of money is distributed among A and B in the ratio 4:3 and B gets Rs.3000,then what is total money distributed?
| A | B | A+B |
| 4x | 3x | 7x |
3x=3000 x=1000
Total money distributed =7x=7*1000=Rs.7000
2.If a certain task is distributed among A,B,C and D in the ratio 2:5:7:9 in 1 day then D performs 1800 task in 1 day. Then how many task is completed for 2day when A and B works?
D=9x=1800
x=200.
A and B when combines in 1 day they does = 2x+5x=7x
7*200=1400
For 2 days they complete 1400*2=2800 task.
STUDY NOTES FOR BOATS AND STREAMS
# 2.TYPE 2:
BASED ON EFFICIENCY:
In this type efficiency of the Person is given and the ratio were also given we have to find the new ratio.Tricks and Tips to solve the Problem based on Efficiency.
1.Seats for mathematics, physics and biology in a school are in the ratio 5:7:8.There is a proposal to increase these seats by 40%,50% and 75% respectively. What will be the ratio of increased seats?
The ratio’s are 5x:7x:8x let x=10 then,
Mathematics=50 Physics =70 Biology=80
Then Increased Percentage be 40%,50% and 75%:
10% of 50=5 then 140% of 50=70
10% of 70=7 then 150% 0f 70=105
10%of 80=8 then 175% of 80=140
Mathematics=70 Physics =105 Biology=140
Their increased ratio=2:3:4
# 3.TYPE 3:
FORMATION OF NEW RATIO’S:
This type of Problem consists of two Ratio’s and we asked to find a new ratio.These type of questions can be asked in Partnership Problems
1.If a:b=2:3 and b:c=2:4 then a:b:c=?
Therefore the new Ratio=2:3:6
2.If a:b=2:3 and b:c= 2:4 and c:d= 4:2 then a:b:c:d=?
Therefore,the new Ratio is 2:3:6:3
Next Article :Proportion(Published Tomorrow)
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