# Number Series-61 | RBI Grade B Officer’s Exam (2015)| Wrong Number | Memory Based - Videos

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Please watch: “RBI Grade B Officer Exam | Miscellaneous Questions-91 Memory Based”
https://www.youtube.com/watch?v=GAy6Wgs4UBM –~–
In Wrong Number Series in Quantitative Aptitude, students face a lot of problems. But if you understand the ‘Slope’ Method, and if you are alert, then you will be able to solve all the questions in just two minutes with 100% accuracy.
In this Episode, the questions of Number Series (Wrong Number) are memory based questions, asked in RBI Grade B Officer’s Exam (2015). All five questions have been solved by unique “Slop Method” and the ‘Slope Method’ is ultimate. All the best!
“Slope is the main thing, which makes a ‘Number Series’ easy to recognize and this works as ‘Magic’
#Amar Sir
Let us watch and enjoy the video: “Number Series-61 | RBI Grade B Officer’s Exam (2015)| Wrong Number | Memory Based “: https://youtu.be/b6cP0nEKzhs

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#### 23 COMMENTS

1. raghu's monthly income is (5/4) times of that of raju's income, where as his monthly expenses are twice that of raju's expenses . if each of them saves Rs 12000, then what is the annual income of raju? ans is 192000 how to solve this please explain