গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৮৩৮১–১৮৪০০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- A tap can fill an empty tank in 12 h and a leakage can empty the tank in 20 h. If tap and leakage both work together, then how long will it take to fill the tank? MCQ
- A bag contains 6 white and 4 black balls. 2 balls are drawn at random. Find the probability that they are of same color. MCQ
- If two letters are taken at random from the word HOME, what is the probability that none of the letters would be vowels? MCQ
- An unbiased die is tossed.Find the probability of getting a multiple of 3. MCQ
- In a throw of a coin, find the probability of getting a head? MCQ
- In a party there are 5 couples. Out of them 5 people are chosen at random. Find the probability that there are at the least two couples? MCQ
- A box contains 5 detective and 15 non-detective bulbs. Two bulbs are chosen at random. Find the probability that both the bulbs are non-defective. MCQ
- Out of the first 20 natural numbers, one number is selected at random. The probability that it is either an even number or a prime number is? MCQ
- Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed? MCQ
- In how many different ways can the letters of the word 'LEADING' be arranged in such a way that the vowels always come together? MCQ
- A committee of 5 persons is to be formed from 6 men and 4 women. In how many ways can this be done when at least 2 women are included? MCQ
- A college has 10 basketball players. A 5-member team and a captain will be selected out of these 10 players. How many different selections can be made? MCQ
- 12 people at a party shake hands once with everyone else in the room.How many handshakes took place? MCQ
- The Indian Cricket team consists of 16 players. It includes 2 wicket keepers and 5 bowlers. In how many ways can a cricket eleven be selected if we have to select 1 wicket keeper and atleast 4 bowlers? MCQ
- How many 7 digit numbers can be formed using the digits 1, 2, 0, 2, 4, 2, 4? MCQ
- If there are 15 dots on a circle,how many triangles can be formed? MCQ
- In a box, there are 5 black pens, 3 white pens and 4 red pens. In how many ways can 2 black pens, 2 white pens and 2 red pens can be chosen? MCQ
- Find the number of subsets of the set {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11} having 4 elements. MCQ
- In how many ways can 5 letters be posted in 4 letter boxes? MCQ
- The number of ways in which 8 distinct toys can be distributed among 5 children? MCQ