Subject
Govt.Jobs
Topic
বিসিআইসি (সহকারী ব্যাবস্থাপকঃ প্রশাসন) - ১৩.০৫.২০২২
The sum of the digits in a two-digit number is 14.The new number obtained when the digits are reversed is 18 more than the original number . What is the original number?
The sum of the digits in a two-digit number is 14.The new number obtained when the digits are reversed is 18 more than the original number . What is the original number?
ক)
59খ)
77গ)
86ঘ)
NoneExplanation
মনে করি , সংখ্যাটির একক স্থানীয় অংক =x এবং দশক " " " =y অতএব , সংখ্যাটি ,x+y=14.......(i) এবং 10x+y-18=10y+x বা, 10x+y-10y-x=18 বা, 9x-9y =18 বা,x-y=2......(ii) (i)+(ii) 2x=16 বা,x=8 অতএব ,(i) 8+y=14 বা,y =6 অতএব , সংখ্যাটি 10.6+8 =60+8=68Related questions
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