গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৯২১–১৯৪০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- A letter is taken out at random from ASSISTANT and another is taken out from STATISTICS. The probability that they are the same letters is: MCQ
- A bag contains a certain number of bolts out of which some are 'defective' while the remaining are 'non-defective'. The probability of picking a 'non-defective' bolt is 200% more than picking a 'defective' bolt from the bag. If 40 more 'non- defective' bolts are added to the bag then the probability of picking a 'defective' bolt becomes 20%. Now two bolts are picked from the bag then what is the probability that at most one of the two bolts is 'defective'? MCQ
- In how many different ways can the letters of the word 'BANKING' be arranged so that the vowels always come together? MCQ
- In a group of 6 boys and 4 girls, four children are to be selected. In how many different ways can they be selected such that at least one boy should be there? MCQ
- There is a bag that contains 4 yellow balls, 5 black balls and 7 pink balls. The number of ways in which three balls can be drawn from the box so that at least one of the balls is black is: MCQ
- How many 4 letter code can be formed using the first 9 letters of the English alphabets, if no letter can be repeated? MCQ
- In a simultaneous throw of two dice, what is the probability of getting a total of 10 or 11? MCQ
- A box contains three colored marbles, such that the number of blue, yellow and grey marbles is 8, 7 and 5 respectively. Find the probability of picking two marbles, one being blue marble and the other being grey marble. MCQ
- In how many ways can 3 people be seated in a row containing 6 seats? MCQ
- In how many ways can seven books be arranged on a shelf? MCQ
- Probability of 3 students solving a question are 1/2, 1/3, and 1/4. Probability to solve the question is: MCQ
- Find the number of ways of selecting 4 girls and 4 boys out of 7 girls and 6 boys. MCQ
- How many 3-digit even numbers can be made using the digits 1, 2, 3, 4, 6, and 7 if no digit is repeated? MCQ
- (2x + 3y, 5) = (12, 3x - 2y) হলে, x ও y এর মান কত? MCQ
- 9x2 - (2x - 3y)2 = কত? MCQ
- যদি a3 - b3 = 604 এবং a - b = 4 হয় তবে ab এর মান কত? MCQ
- (x + 3) (x - 3) কে x2 - 6 দিয়ে ভাগ করলে ভাগশেষ কত হবে? MCQ
- a = 1, b = 1, c = 2 এবং d = 2 হলে, a - (- b) - (- c) - (- d) = কত? MCQ
- যদি 5xy + 28x - 2 = 0 এবং y = - 4 হয়, তাহলে 4x + y = কত? MCQ
- (x2 + 1)2 = 3x2 হলে, x3 +(1/x3) এর মান কত? MCQ