গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৫৭৪১–১৫৭৬০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- Find the number of triangles that can be formed by joining the angular points of a polygon of 10 sides as vertices. MCQ
- If a coin is tossed once, what is the probability of getting a tail? MCQ
- Mr. Shamim wants to arrange three out of his four saplings in a row on a shelf. If each sapling is in a pot of a different color, in how many different ways can he arrange the saplings? MCQ
- If nCr = 7 and nPr = 840, then r! =? MCQ
- In a survey, it was found that 70% of people read Ittefaq, 60% read Sangbad, and 40% read both newspapers. If a person is chosen at random, find the probability that they read either Ittefaq or Sangbad. MCQ
- In how many ways can a garland be made using 6 different flowers? MCQ
- What is the probability of having 53 Sundays in a leap year? MCQ
- Find the value of 0!/√4. MCQ
- Everyone present at a party shakes hands with each other. If the total number of handshakes is 66, how many people were present at the party? MCQ
- Find the value of (x + 1)!/(x - 2)! MCQ
- In a class, there are 10 boys and 8 girls. Three students are selected at random. The probability that 1 girl and 2 boys are selected is: MCQ
- A worker completes 3/5 of a job in 12 days. At this rate, how many more days will it take him to finish the job? MCQ
- If Machine A can produce 500 units in 3 hours and Machine B can produce 500 units in 6 hours, in how many hours can Machines A and B, working together at these constant rates, produce 500 units? MCQ
- 'A' can do a work in 12 days, and 'B' in 24 days. They work together for 6 days. How much of the work is left? MCQ
- Rahim finishes 40% of a task in 10 days. He then asks Karim to help and together they complete the remaining work in 10 days. How many days would Karim take to complete the whole task alone? MCQ
- If 12 workers can build a wall in 6 days, how long would it take 9 workers to build the same wall? MCQ
- If the cost of q metres of wire is Tk. k, then what is the cost of p metres of wire at the same rate (in Tk)? MCQ
- If X and Y can complete a work together in 12 days, Y and Z together in 20 days, and X and Z together in 15 days, then in how many days can Y alone complete the work? MCQ
- In a factory, 10 machines can produce 10 toys in 10 minutes. How many minutes will it take for one machine to produce one toy? MCQ
- 12 workers can dig a 36-meter long trench working 8 hours per day. How many extra workers are required to dig a 45-meter long trench working 5 hours per day? MCQ