গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৮৭২১–১৮৭৪০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- While selling a jug online, the seller offered a discount of 23% but managed to make a profit of 10% which translates into Tk. 77/-. What was the list price of the jug? MCQ
- When a student weighing 45 kgs left a class, the average weight of the remaining 59 students increased by 200g. What is the average weight of the remaining 59 students? MCQ
- In a cricket match, 6 players had an average X of their runs. Average increases by 10 runs, if the seventh player makes a score of 112 runs. What is the average of the first 6 players? MCQ
- The mean of 40 observations was 46. Later on it was found that an observation 38 was wrongly taken as 33. find the corrected value of mean. MCQ
- 2 years ago, the average age of a family of 5 members was 16 years. After a baby is born, the average age of family is the same today. Find the present age of the baby. MCQ
- The average of 11 numbers is 30. If the average of the first six numbers is 17.5 and that of the last six is 42.5, then what is the sixth number? MCQ
- The average age of a class of 29 students is 20 years. If the age of the teacher is included, then the average increases by 3 months. Find the age of the teacher. MCQ
- There are two batches A and B of a class. Batch A consists of 36 students and batch B consists of 44 students. Find the average weight of the whole class, if the average weight of batch A is 40 kg and that of batch B is 35 kg. MCQ
- The average of four consecutive even numbers is 27. Find the largest of these numbers. MCQ
- The average of 15 numbers is 15. If the average of the first five numbers is 14 and that of the other 9 numbers is 16, then find the middle number. MCQ
- In a school, average marks of three batches of 40, 50 and 60 students respectively is 45, 55 and 70. Find the average marks of all the students. MCQ
- Father is 3 times more aged than his daughter. If after 5 years, he would be 3 times of daughter’s age, then further after 5 years, how many times would he be of his daughter’s age? MCQ
- The ratio of Rohan’s age 4 years ago and Rahul’s age after 4 years is 1 : 1. If at present, the ratio of their ages is 5 : 3, then find the ratio between Rohan’s age 4 years hence and Rahul’s age 4 years ago. MCQ
- Age of a mother 10 years ago was 3 times the age of her son. After 10 years, the mother's age will be twice that of his son. Find the ratio of their present ages? MCQ
- Roman is 15 years older than Robin. If 5 years ago, Roman was 3 times as old as Robin, then find Roman’s present age. MCQ
- What is Jashim’s present age, if after 10 years his age will be 5 times his age 5 years back? MCQ
- The sum of the present ages of two persons A and B is 60. If the age of A is twice that of B, find the sum of their ages 5 years hence? MCQ
- Rajan got married 8 years ago. His present age is 6/5 times his age at the time of his marriage. Rajan's sister was 10 years younger to him at the time of his marriage. The age of Rajan's sister is - MCQ
- Present ages of A,B and C are in proportions 4 : 7 : 9. Eight years ago, the sum of their ages was 56. What are their present ages (in years)? MCQ
- A man said to his son, ''I was two-third of your present age when you were born''. If the present age of the man is 48 years, find the present age of the son? MCQ