Subject
Quantitative Aptitude
Topic
Number
180 students in a group are to be seated in rows so that there are an equal number of students in each row. Each of the following could be the number of rows EXCEPT
180 students in a group are to be seated in rows so that there are an equal number of students in each row. Each of the following could be the number of rows EXCEPT
ক)
4খ)
20গ)
30ঘ)
40ঙ)
90Explanation
*এই প্রশ্নটি সমাধান করতে, আমাদের দেখতে হবে 180 কে কোন কোন সংখ্যা দিয়ে নিঃশেষে ভাগ করা যায়। *180 এর factor গুলি হল: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180 *এখন প্রদত্ত বিকল্পগুলি যাচাই করি: (A) 4: 180 ÷ 4 = 45 (সম্ভব) (B) 20: 180 ÷ 20 = 9 (সম্ভব) (C) 30: 180 ÷ 30 = 6 (সম্ভব) (D) 40: 180 ÷ 40 = 4.5 (সম্ভব নয়, কারণ এটি পূর্ণসংখ্যা নয়) (E) 90: 180 ÷ 90 = 2 (সম্ভব) *সুতরাং, 40 ব্যতীত অন্য সব সংখ্যাই সারির সংখ্যা হতে পারে। *সঠিক উত্তর: (D) 40Related questions
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