Question: 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 ?

Question 1: 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 ?

View topic: বিন্যাস, সমবেশ ও সম্ভাব্যতা (Permutation, Combination and Probability)

3491

2331

3691

3391

Source: Sonali, Rupali, Bangladesh Krishi, Rajshahi krishi unnayn,Investment Corporation of Bangladesh - 30.11.2018

Answer: 3391

Explanation:

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একটি গোল মুদ্রা টেবিলে রাখা হলো। এই মুদ্রার চারপাশে একই মুদ্রা কতটি রাখা যেতে পারে যেন তারা মাঝের মুদ্রাটিকে এবং তাদের দুপাশে রাখা দুটি মুদ্রাকে স্পর্শ করে?

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বিখ্যাত সাহিত্যিকদের বিখ্যাত উক্তি

Parts of Speech

উপন্যাস

Analogy

ভাষা আন্দোলন ও মুক্তিযুদ্ধভিত্তিক সাহিত্য

বাংলা সাহিত্যে প্রথম

অর্থনীতি

সমাস

নৌকা ও স্রোত (Boat and Stream)

বাংলাদেশের কৃষি, শিল্প, বাণিজ্য ও সম্পদ

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