Answer this question with explaination..
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Answers
Answer:
Step-by-step explanation:
Let the number be 10x+y.....
Also as said in your question 10y+x =(5/6)(10x+Y)
And x - y = 1........
6(10y+x)=5(10x+y)
60y+6x=50x+5y
55y = 44x
5y=4x
5(x-1)=4x (since x-y=1)
5x - 5=4x
x=5
y=4
So number is 10x + y=5(10)+4=54
Do you think why I have not taken y-x=1...... I took x-y=1.......
What could be wrong here?...... It's a good way of learning to learn concepts and then apply yourself to the question...... I told the concepts.... You may have also learned it in NCERT maths..... Now try to solve from wherever you get this type of question...... I prefer to use RD SHARMA..... You can be a brilliant student of maths.....
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Answered by an IIT JEE ASPIRANT........ And INTERNATIONAL MATHEMATICS OLYMPIAD ALL INDIA TOPPER IN CLASS 10TH.... CURRENTLY PREPARING FOR JEE ADVANCED........ ALSO TOPPER IN TALLENTEX , ANTHE AND KVPY WITH SEVERAL OTHER OLYMPIAD..... MY AIM IS TO GET ALL INDIA RANK WITHIN 100 IN JEE ADVANCED...... YOU CAN ASK ANYTHING ABOUT MATHS..... AND ONCE AGAIN WILL YOU BE MY GIRLFRIEND......?
Answer:
B) 54
Hope this helps u...