Subject
Bank Exam
Topic
বাংলাদেশ ব্যাংক (অফিসার) - ০২.১২.২০২২
There are two numbers where the sum of twice the first number and thrice the second number is 100. And the sum of thrice the first number and twice the second number is 120. Which is the largest number?
There are two numbers where the sum of twice the first number and thrice the second number is 100. And the sum of thrice the first number and twice the second number is 120. Which is the largest number?
ক)
32খ)
12গ)
35ঘ)
14Explanation
মনে করি , সংখ্যাদ্বয় =x ও y প্রশ্নমতে , 2x+3y=100....(i) 3x+2y=120...(ii) (i)×2-(ii)×3 4x+6y=200 9x+6y=360 ______________________ -5x =-160 বা, x =32 অতএব, (i) 2×32 +3y =100 বা,64+3y =100 বা,3y =100 -64 বা, 3y =36 বা, y =12 বড় সংখ্যাটি 32.Related questions
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