গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৮৯০১–১৮৯২০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- Two groups, A and B wrote an exam. The probability of A's pass is 2/7 and the probability of B's pass is 2/5. What is the probability that only one of them is passed out? MCQ
- In how many different ways can the letters of the word ‘DAUGHTER’ be arranged so that the vowels always come together? MCQ
- Out of 5 women and 4 men, a committee of three members is to be formed in such a way that at least one member is a woman. In how many different ways can it be done? MCQ
- A select group of 4 is to be formed from 8 men and 6 women in such a way that the group must have at least 1 woman. In how many different ways can it be done? MCQ
- A box contains 2 white, 3 black and 4 red balls. In how many ways can 3 balls be drawn from the box, if at least 1 black ball is to be included in the draw? MCQ
- In how many different ways can the letters of the AUCTION be arranged in such a way that the vowels always come together? MCQ
- In an examination there are three multiple-choice questions and each question has 4 choices. The number of ways in which a student can fail to get all answer correct is - MCQ
- How many different six-digit numbers can be formed using all of the following digits: 3, 3, 4, 4, 4, 5? MCQ
- 10 people shake their hands with each other. How many handshakes occurred? MCQ
- How many number plates of 3 digit can be formed with four digits 1,2,3 and 4? MCQ
- How many three-digit numbers can be formed by using the digits in 735621, if repetition is not allowed? MCQ
- How many numbers of five digits can be formed with the digits 0, 1, 2, 4, 6 and 8? MCQ
- In how many ways a committee, consisting of 5 men and 6 women can be formed from 8 men and 10 women? MCQ
- Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed - MCQ
- Two dice are thrown together. What is the probability that the sum of the numbers on the two faces is divisible by 4 or 6? MCQ
- A can do a piece of work in 8 days and B can do the same piece of work in 12 days. A and B together complete the same piece of work and get Tk. 200 as the combined wages. B’s share of the wages will be - MCQ
- X, Y, and Z complete a work in 6 days. X or Y alone can do the same work in 16 days. In how many days Z alone can finish the same work? MCQ
- A fort has provisions for 50 days. If after 10 days they are strengthened by 500 men and the remaining food lasts for 35 days, the number of men originally in the fort were - MCQ
- A can do a piece of work in 10 days working, 8 hours per day. If B is two - thirds as efficient as A, then in how many days can B alone do the same piece of work, working 5 hours per day? MCQ
- Lopa can do a work in 3 days while Rasel can do the same work in 2 days. Both of them finish the work together and get Tk. 150. What is the share of Lopa? MCQ