গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৬৮৮১–১৬৯০০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- 25 percent of 30 is 75 percent of what number? MCQ
- The price of a certain book is discounted by 10% and the reduced price is then discounted by 10%. The series of successive discounts is equivalent to a single discount of MCQ
- In an office, 40% of the staff is female. 70% of the female staff and 50% of the male staff are married. The percentage of the unmarried staff in the office is MCQ
- Arjun purchased 30 kg of wheat at the rate of Tk. 11.50 per kg and 20 kg of wheat at the rate of Tk 14.25 per kg. he mixed the two and sold the mixture. Approximately what price per kg should he sell the mixture to make 30% profit? MCQ
- A number is increased by 15% and then decreased by 25% and the number becomes 22 less than the original number. The original number is: MCQ
- Akash multiplied a number by 3/5 instead of 5/3. What is the percentage error in the calculation? MCQ
- If the price of Sugar is increased by 50% by what fraction must its consumption be reduced so as to keep the same expenditure on its consumption? MCQ
- Rafi went to the stationers and bought things worth Tk. 25 out of which 30 paisa went on sales tax on taxable purchases. if the tax rate was 6%, then what was the cost of the tax-free items? MCQ
- The average of the largest and smallest 3 digits numbers formed by 0, 2, and 4 would be: MCQ
- Tomal is younger than Jamal by 7 years. If their ages are in the respective ratio of 7 : 9, how old is Jamal? MCQ
- The average of 2, 7, 6, and m is 5 and the average of 18, 1, 6, m and n is 10. What is the value of n? MCQ
- The ratio of the present ages of Rahim and Karim is 9 : 10 respectively. Twenty years ago, the ratio of their ages was 4 : 5 respectively. What is the present age of Rahim? MCQ
- The mean of the first 12 even natural number numbers is- MCQ
- Mitu is 60 years old and Ritu is 80 years old. How many years ago their age ratio was 4 : 6? MCQ
- The mean weight of a class of 20 students is 48 kg. Two more students weighing 60 kg and 58 kg respectively join the class. What is the mean weight of the class now? MCQ
- Four numbers are in the ratio 1 : 2 : 3 : 4 and their HCF 12. The average of four numbers is - MCQ
- Mofiz got married 10 years ago. His present age is 6/5 times his age at the time of his marriage. What is the present age of Mofiz? MCQ
- The average of 25 results is 18. The average of the first 12 of those is 14 and the average of the last 12 is 17. What is the 13th result? MCQ
- The difference between the ages of the two men is 10 years. 15 years ago, the elder one was twice as old as the younger one. The present age of the elder man is- MCQ
- Find the average of all the numbers between 11 and 54 which are divisible by 5. MCQ