গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৬০৮১–১৬১০০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- If a woman sells her table for Tk. 2,400, she loses 20%. To gain 20%, at what price should she sell it? MCQ
- Seventy-two percent of a number is 30 less than three-fourths of that number. What is the number? MCQ
- There is a ratio of 5 : 4 between two numbers. If 40% of the first number is 12, then what would be 50% of the second number is ? MCQ
- Question:
MCQ - The ratio between Karim's age and Rahim's age is 10 : 11. What is the age of Rahim in percentage of Karim's age ? MCQ
- The average age of Mona, Neha, Oishi, and Roza is 22 years. The average age of Mona, Neha, and Oishi is 20 years and the average age of Neha, Oishi, and Roza is 24 years. Find the average age of Neha and Oishi. MCQ
- The mean of the first 15 even natural numbers is- MCQ
- Ali got married 7 years ago. His present age is 6/5 times his age at the time of his marriage. What is the present age of Ali? MCQ
- Out of three numbers, the first is twice the second and is half of the third. If the average of the three numbers is 56, then the average of the first and the third number is - MCQ
- At present, the ratio between the ages of Nehal and Rahat is 5 : 4. After 6 years, Nehal's age will be 26 years. What is the age of Rahat at present? MCQ
- The sum of 10 numbers is 490. If the average of their first 4 numbers is 53 and that of the last five is 42, then what is the 5th number? MCQ
- The average of the first five multiples of 5 is: MCQ
- If the average of four consecutive odd numbers is 42, find the largest numbers. MCQ
- The average age of family of 6 members is 30 years. A new member is added then the average age becomes 26 years. Find the age of the new member. MCQ
- A factory employs 130 workers on Fridays and 250 workers on other days. If a month has 30 days and starts on a Friday, what is the average number of workers per day over the month? MCQ
- A student's marks were wrongly entered as 75 instead of 60. Due to this, the average marks of the class increased by 0.3. Find the number of students in the class. MCQ
- The average age of 12 girls in a class is 14 years. If 4 new girls, each aged 10 years, join the class, what will be the new average? MCQ
- For 8 innings, Miraz has an average of 60 runs. In the 9th inning, he scored 6 runs, thus decrease his average. How much does his average decrease? MCQ
- The mean of 7 numbers is 24. If one of the numbers is removed, the mean increases by 3. Find the value of the removed number. MCQ
- The product of the present ages of Rina and Mina is 1500 years. The ratio of their present ages is 5 : 3. What is the difference of their present ages? MCQ