The number of student in 3 classes is in the ratio 2:3:4 if 12 students are increased in each class this ratio changes to 8:11:14. The total number of students in the three classes in the beginning in the three classes in the beginning was:

The number of student in 3 classes is in the ratio 2:3:4 if 12 students are increased in each class this ratio changes to 8:11:14. The total number of students in the three classes in the beginning in the three classes in the beginning was: Correct Answer 162

মনেকরি, ছাত্র - ছাত্রী সংখ্যা যথাক্রমে 2x, 3x, 4x প্রশ্নমতে, 2x + 12: 3x + 12:4x + 12 = 8: 11:14 .:. 2x + 123x + 12 = 811 ⇒ 22x + 132 = 24x + 96 ⇒ - 2x = - 36 ⇒ x = 18 .: মোট ছাত্র - ছাত্রী = 2x + 3x + 4x = 9x = 9 x 18 = 162 জন
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৪ঃ ৫= ১২ঃ x হলে x -এর মান কত হবে?
চারটি সমানুপাতিক রাশির প্রান্তীয় রাশি দুটির গুনফল ২০০। প্রথম রাশিঃ দ্বিতীয় রাশি= ১ঃ২, দ্বিতীয় রাশিঃচতুর্থ রাশি= ১ঃ৪। তৃতীয় রাশিটি কত?
কঃখ= ১ঃ২ এবং খঃগ = ৩ঃ৪ হলে কঃখঃগ কতো?