গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৭৩৮১–১৭৪০০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- A grocer has a sale of Tk. 6435, Tk. 6927, Tk. 6850, Tk. 7226 and Tk. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Tk. 6500? MCQ
- The average of runs of a cricket player of 10 innings was 35. How many runs must he make in his next innings so as to increase his average of runs by 5? MCQ
- A father said to his son, 'I was as old as you are at the present at the time of your birth'. If the father's age is 48 years now, the son's age five years back was- MCQ
- The average of 15 numbers is zero. Of them, at the most, how many may be greater than zero? 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 42, the how old is B? MCQ
- Rafi is as much younger than Sagar as he is older than Piyal. If the sum of the ages of Piyal and Sagar is 66 years, and Sagar's age is 48 years, then what is the difference between Rafi and Piyal's age? MCQ
- The average of 4 consecutive numbers is 5.5 . The largest of these numbers is: MCQ
- Six years ago, the ratio of the ages of Kamal and Shihan was 6 : 5. Four years hence, the ratio of their ages will be 11 : 10. What is Shihan's age at present? MCQ
- The ages of A and B are in the ratio 6 : 5 and the sum of their ages is 44 years. What will be the ratio of their ages after 8 years ? MCQ
- A pupil's marks were wrongly entered as 63 instead of 43. Due to that the average marks for the class got increased by half. The number of pupils in the class is MCQ
- The age of a mother today is thrice that of her daughter. After 10 years , the age of the mother will be twice that of her daughter. The present age of the daughter is =? MCQ
- Sakib is younger than Miraj by 7 years. If their ages are in the respective ratio of 7 : 8, how old is Sakib? MCQ
- Rajan got married 10 years ago. His present age is (6/5) times of his age at the time of his marriage. Rajan's sister was 10 years younger to him at the time of his marrige. The present age of Rajan's sister is = ? MCQ
- Of the four numbers, whose average is 80, the first is one-fourth of the sum of the last three. What is the value of the first number? MCQ
- The ratio of a man's age and his son's age is 7 : 3 and the product of their ages is 756. The ratio of their ages after 10 years will be- MCQ
- The average salary of all the workers in a workshop is Tk. 6000. The average salary of 7 technicians is Tk. 12000 and the average salary of the rest is Tk. 5000. How many workers are there? MCQ
- The ages of Saha and Akash are in the ratio 9 : 8 respectively. After 5 years, the ratio of their ages will be 10 : 9. What is the difference in their ages? MCQ
- The average age of a husband and his wife was 25 years at the time of their marriage. After five years they have a three-year old child. What is the average age of the family now? MCQ
- The average of five numbers is 27. If one number is excluded, the average becomes 20. The excluded number is : MCQ
- Three years ago, the average of A, B, and C was 27 years and that of A and C, 5 years ago was 20 years. B’s present age is- MCQ