Subject
Quantitative Aptitude
Topic
Number
The sum of six consecutive odd numbers exceeds twice the largest by 38. Find the sum of the six numbers.
The sum of six consecutive odd numbers exceeds twice the largest by 38. Find the sum of the six numbers.
ক)
42খ)
50গ)
57ঘ)
72Explanation
Solution; অনুবাদঃ 6 টি ক্রমিক বিজোড় সংখ্যার সমষ্টি বৃহত্তম বিজোড় সংখ্যাটির দ্বিগুণ অপেক্ষা 38 বেশি । আপনাকে 6 টি বিজোড় সংখ্যার সমষ্টি বের করতে হবে ? ধরি, প্রথম বিজোড় সংখ্যাটি হলো x. তাহলে পরবর্তী 5টি বিজোড় সংখ্যাগুলো হবে যথাক্রমে (x + 2), (x + 4), (x + 6), (x + 8), (x + 10) প্রশ্নমতে, x + x + 2 + x + 4 + x + 6 + x + 8 + x + 10 = 2 ( x + 10) + 38 => 6x + 30 = 2x + 58 => 6x - 2x = 58 - 30 => 4x = 28 => x = 28/4 x = 7 নির্ণেয় 6 টি বিজোড় সংখ্যা যথাক্রমে 7, 9, 11, 13, 15 ও 17. আর তাদের সমষ্টি হবে 72.Related questions
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