গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৮১৪১–১৮১৬০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- Two cards are drawn from a pack of well shuffled cards. Find the probability that one is a club and other in King. 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
- The number of positive integers which can be formed by using any number of digits from 0, 1, 2, 3, 4, 5 without repetition. MCQ
- In a party every person shakes hands with every other person. If there are 105 hands shakes, find the number of person in the party. MCQ
- There are 10 points in a plane out of which 4 are collinear. Find the number of triangles formed by the points as vertices. MCQ
- From 6 men and 4 ladies, a committee of 5 is to be formed. In how many ways can this be done, if the committee is to include at least one lady? MCQ
- There are 7 non-collinear points. How many triangles can be drawn by joining these points? MCQ
- If 6Pr = 360 and If 6Cr = 15, find r? MCQ
- There are five women and six men in a group. From this group a committee of 4 is to be chosen. How many different ways can a committee be formed that contain three women and one man? MCQ
- There are three prizes to be distributed among five students. If no students gets more than one prize, then this can be done in: MCQ
- A team of 8 students goes on an excursion, in two cars, of which one can seat 5 and the other only 4. In how many ways can they travel? MCQ
- An urn contains 6 red, 4 blue, 2 green and 3 yellow marbles. If three marbles are picked up at random, what is the probability that 2 are blue and 1 is yellow ? MCQ
- In a single throw of die, what is the probability of getting a number greater than 4 ? MCQ
- In a class, 30% of the students offered English, 20% offered Bengali and 10% offered both. If a student is selected at random, What is the probability that he has offered English or Bengali ? MCQ
- How many permutations of the letters of the word 'APPLE' are there? MCQ
- In how many ways can 8 Bangladeshi and, 4 American and 4 Englishmen can be seated in a row so that all person of the same nationality sit together? MCQ
- In how many ways a President, VP and Water-boy can be selected from a group of 10 people. MCQ
- A letter lock consists of 4 rings, each ring contains 9 non-zero digits. This lock can be opened by setting four digit code with the proper combination of each of the 4 rings. Maximum how many codes can be formed to open the lock ? MCQ
- If the cost of x metres of wire is Tk. d, then what is the cost of y metres of wire at the same rate? MCQ
- A fort had provision of food for 150 men for 45 days. After 10 days, 25 men left the fort. The number of days for which the remaining food will last, is: MCQ