The number of students in each section of a school is 24, After admitting new students, three new sections were started. Now, the total number of sections is 16 and there are 21 students in each section. The number of new students admitted is-

A 24
B 14
C 48
D 114

Correct Answer: 24

              Present section = 16   &  present students per section = 21Previous section = 16-3 = 13    & previous students per section = 24So, the number of new students admitted is = 16*21 - 13*24                                                                                   = 336 - 312                                                                                   = 24 (Ans)
Bissoy MCQ
#পিএসসি ও অন্যান্য নিয়োগ পরীক্ষা #গণিত #সেট (Set) #দুর্নীতি দমন কমিশনের সহকারী পরিচালক-১২.০৪.২০১৩

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The number of students in each section of a school is 24. After admitting new students, three new sections were started. Now the total number of sections is 16 and there are 21 students in each section. How many new students were admitted ?
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A 0.5 km East
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৭০ লিটার অকটেন-পেট্রোল মিশ্রণে পেট্রোল ও অকটেনের অনুপাত ৫ঃ২ । এই মিশ্রণে আর কত লিটার অকটেন মিশালে পেট্রোল ও অকটেনের অনুপাত ২ঃ১ হবে?
A ৫
B ৭
C ১০
D কোনোটিই নয়
পানি ও চিনির একটি মিশ্রণে পানি ও চিনির অনুপাত ৮ঃ৩। যদি এটাতে ২ কেজি চিনি যোগ করা হয় তাহলে তাদের অনুপাত হয় ২ঃ১। মূল দ্রবণে চিনির পরিমাণ কত কেজি ছিল ?
A ৪
B ৪.৫
C ৬
D ৫
দুইজন অংশিদার মুনাফা বন্টন অনুপাত ২ঃ১ । তৃতীয় জনকে ১/৫ অংশ মুনাফা বন্টনের চুক্তিতে তারা ব্যবসায়ের নতুন অংশীদার হিসেবে গ্রহণ করলে, মুনাফা বন্টনের নতুন অনুপাত কত হবে ?
A ২ঃ১ঃ৫
B ২ঃ১ঃ১
C ৮ঃ৪ঃ৩
D ৪ঃ১ঃ৫

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