গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৬২৪১–১৬২৬০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- A problem is given to three students whose chances of solving it are 1/5, 1/4 and 1/3 respectively. What is the probability that the problem will be solved? MCQ
- Two dice are tossed. The probability that the total score is a prime number is: MCQ
- There are 30 people in a group. If all shake hands with one another person exactly once, how many handshakes are possible? MCQ
- In a simultaneous throw of pair of dice. Find the probability of getting the total more than 7. MCQ
- How many different ways can the letters in the word ATTEND be arranged? MCQ
- A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the balls drawn is blue? MCQ
- From a group of 6 men and 4 women a Committee of 4 persons is to be formed. In how many different ways can it be done, so that the committee has at least 2 men? MCQ
- Three unbiased coins are tossed. What is the probability of getting at most two heads? MCQ
- In how many ways can 10 examination papers be arranged so that the best and the worst papers never come together? MCQ
- In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize? MCQ
- A two member committee comprising of one male and one female member is to be constitute out of five males and three females. Amongst the females. Ms. A refuses to be a member of the committee in which Mr. B is taken as the member. In how many different ways can the committee be constituted? MCQ
- A card is drawn from a pack of 52 cards. The probability of getting a queen of club or a king of heart is: MCQ
- I forgot the last digit of a 7-digit telephone number. If 1 randomly dial the final 3 digits after correctly dialing the first four, then what is the chance of dialing the correct number? MCQ
- A word consists of 9 letters; 5 consonants and 4 vowels.Three letters are choosen at random. What is the probability that more than one vowel will be selected? MCQ
- There are four hotels in a town. If 3 men check into the hotels in a day then what is the probability that each checks into a different hotel? MCQ
- Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5? MCQ
- A question paper consists of three sections 4,5 and 6 questions respectively. Attempting one question from each section is compulsory but a candidate need not attempt all the questions. In how many ways can a candidate attempt the questions? MCQ
- Out of 17 applicants 8 boys and 9 girls. Two persons are to be selected for the job. Find the probability that at least one of the selected persons will be a girl. MCQ
- There are 10 oranges in a basket. Find the no. of ways in which 3 oranges are chosen from the basket? MCQ
- In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green? MCQ