গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৫৮২১–১৫৮৪০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- Akmal multiplied a number by 2/5 instead of 5/2. What is the percentage error in the calculation? MCQ
- A shirt with a list price of Tk. 150 is sold for Tk. 105 after two successive discounts. If the second discount is 12.5%, what was the rate of the first discount? MCQ
- 70 grams is what percentage of 20 kilograms? MCQ
- The population of Gotham City increases from 175,000 to 262,500. What is the percentage increase in the population? MCQ
- If the cost price of 15 books is equal to the selling price of 20 books, what is the loss percentage? MCQ
- If Adnan’s salary is 60% higher than Bina’s salary, by what percentage is Bina’s salary less than Adnan’s? MCQ
- The average of runs of a cricket player of 10 innings was 32. How many runs must he make in his next innings so as to increase his average of runs by 4? MCQ
- The average of 7 consecutive numbers is 21. The largest of these numbers is- MCQ
- The ratio of the present ages of P and Q is 3 : 4. Five years ago, the ratio of their ages was 5 : 7. Find their present ages. MCQ
- In a class average age of 15 boys is 11. If 5 boys each of age 9 years are added, what would be the new average? MCQ
- Product of present age of Rahim and Latif is 2223 years and their present age ratio is 19 : 13 find the difference age of Rahim and Latif. MCQ
- The average of six consecutive numbers A, B, C, D, E and F is 62. What is the sum of B and F? MCQ
- The average of nine numbers is 60, that of the first five numbers is 55 and the next three is 65. The ninth number is 10 less than the tenth number. Then, tenth number is- MCQ
- If 5 years ago, the ratio of age of Hasan and Rina was 1 : 2 and after 15 years from present their ratio would be 5 : 6. Find the age of Rina after 20 years. MCQ
- The present age of a son is one-fourth of the present age of his father. Eight years ago, the father's age was seven times the age of his son. What is the present age of the son? MCQ
- The average of six numbers is A and the average of three of these is B. If the average of the remaining three is C, then which one is correct? MCQ
- The average age of the children in a tour group is 12 years and that of the adults is 32 years. If the average age of the entire tour group is 20 years, find the ratio of children to adults in the group. MCQ
- The present ages of three cousins are in the ratio of 4 : 5 : 6. Five years ago, their total age was 60 years. In three years, what will be the age of the youngest cousin? MCQ
- The average age of a group of 15 employees is 28 years. When 5 more employees join the group, the average age increases by 2 years. The average age of the new employees is? MCQ
- The average age of Arif, Tania, Joya, and Rafi is 22 years. The average age of Arif, Tania, and Joya is 20 years and the average age of Tania, Joya, and Rafi is 24 years. Find the average age of Tania and Joya. MCQ