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44928
Source: সহকারী পরিচালক(AD) -12.11.2021
Answer: 44928
Explanation:
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10 টি জিনিসের মধ্যে 2 টি এক জাতীয় এবং বাকিগুলো ভিন্ন ভিন্ন জিনিস। ঐ জিনিসগুলো থেকে প্রতিবারে 5 টি নিয়ে কত প্রকারে বাছাই করা যায়?
In how many ways can the letters of the word 'ARRANGE' be arranged in which the two Rs and two As come together ?
In a 100m race, Jami beats Rony by 4 sec. If Jami allowed Rony to start 16m ahead of him, then Jami and Rony reach the finishing point at the same time. How long does Jami take to run the 100m race?
Out of 10 persons working on a project, 4 are graduates. If 3 are selected, what is the probability that there is at least one graduate among them?
12 marbles are selected at random form a large collection of white , red, green and yellow marbles . The number of marbles of each color is unlimited. Find the probability that the selection contains at least one marble of each color ?
Certain numbers of children were playing a game of football. There was a trial taking place on the field. In this trial the probability that a goal is scored is 2/5. The probability that a gril hits a goal is 7/10 whereas the probability than a boy hits a goal is 1/5. What will be the probability that not only a goal is hit but it is also hit by a boy?
দুটি ছক্কা একসাথে ফেলে প্রাপ্ত সংখ্যা দুটি যোগ করলে যোগফল ১০ হওয়ার সম্ভবনা কত?
There are 5 red and 3 black balls in a bag. Probability of drawing a black ball is____
There are 15 boys and 10 girls in a class. If three students are selected at random , what is the probability that 1 girl and 2 boys are selected?
A zookeeper counted the heads of animal and found it to be 80. When he counted the legs of animals, he found the number to be 260. If the zoo had either Pigeons or horses, how many horses were there in the zoo ?
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You should read | Topic
বাচ্য ও বাচ্য পরিবর্তন
কম্পিউটার এর ইতিহাস ও বিবিধ
English Proverbs
সর্বাধিক গুরুত্বপূর্ণ ২৫ জন সাহিত্যিক(পিএসসি নির্ধারিত ১১ জন সহ)
নাটক
পরিমিতি (Mensuration)
সংবাদপত্র, সংবাদ সংস্থা ও সম্পাদক
Parts of Speech
অনুপাত - সমানুপাত (Ratio -Proportion)
ল.সা.গু ও গ.সা.গু (L.C.M and H.C.F)
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