গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
৩২৮১–৩৩০০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- A bike originally cost Tk. 1000 and was discounted 10%. After three months it was sold after being discounted another 15%. How much was the bike sold for? MCQ
- If 7% more is gained by selling a phone for Tk. 25000 then by selling it for Tk. 23600. The cost of the phone is? MCQ
- In an election between two candidates, winner got 55% of the total valid votes, 20% of the votes were invalid. If the total number of votes was 80,000, the number of valid votes that the loser candidate got, was- MCQ
- A man bought 40 shares of Tk. 50 at 5tk discount, the rate of dividend being 27%. The rate of interest obtained is- MCQ
- A hat seller had some hats. He sells 55% hats and still has 90 hats. Originally, he had: MCQ
- A discount of 10% on one article is equal in amount to a discount of 25% on a second article. What can be the ratio of their marked prices? MCQ
- A student scores 70% marks in 10 papers of 100 marks each. He scores 14% of the total obtained marks in Math. How much does he score in Math? MCQ
- In 2007, the arithmetic mean of the annual incomes of Jarif and Naim was Tk 3800. The arithmetic mean of the annual incomes of Naim and Jamil was Tk 4800, and the arithmetic mean of the annual incomes of Jamil and Jarif was Tk 5800. What is the arithmetic mean of the incomes of the three? MCQ
- Find the Arithmetic mean of 3, 6, 7, and 4. MCQ
- The sum of the present ages of a mother and daughter is 50 years. Five years ago, the mother was seven times as old as the daughter. How much older is the mother than the daughter? MCQ
- Which one of the following numbers can be removed from the set S = {2, 4, 5, 9} without changing the average of set S? MCQ
- Today, Jakir is twice as old as Moin. In 5 years, Jakir will be 1.5 times as old as Moin. How old is Jakir today? MCQ
- A group of 30 employees of Cadre A has a mean age of 27. A different group of 70 employees of Cadre B has a mean age of 23. What is the mean age of the employees of the two groups together? MCQ
- Ten years ago, the age of a father was four times his son's age. Ten years from now, the father will be twice as old as his son. What is the ratio of their current ages? MCQ
- A student scored 70, 80, 75, and 85 in four subjects. What score must he get in the fifth subject to have an average of 80? MCQ
- The average of 6 consecutive numbers (integers) is 19.5. What is the largest of these numbers? MCQ
- A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 27, then how old is B? MCQ
- The average marks of 50 students was found to be 60. Later, it was found that a student’s marks were wrongly entered as 80 instead of 50. What is the correct average? MCQ
- Present ages of Sameer and Ananda are in the ratio of 5 : 4 respectively. Three years hence, the ratio of their ages will become 11 : 9 respectively. What is Ananda's present age in years? MCQ
- The average age of a family of four members is 26 years. If the youngest member is 14 years old, what is the average age of the remaining members? MCQ