গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৬৩৪১–১৬৩৬০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- If m is the average of the first 10 positive multiples of 5 and M is the median of the first 10 positive multiples of 5, what is the value of M – m? MCQ
- The sum of age of a family consisting of a father, a mother and their only son is 70. Mother is four times the age of the son and father is five times the age of the son. What is the age of the mother? MCQ
- The average of 12 numbers is 16 and the average of the first five is 14. What is the average for the rest? MCQ
- 9 years ago a brother was 7 years older than his sister. At present their total age is 53. What is the present age of the sister? MCQ
- For 9 innings, Roman has an average of 70 runs. In the tenth inning, he scores 210 runs, thus increasing his average. His average increased by- MCQ
- The present age of son is half of the present age of his mother. Five years ago, his mother's age was thrice the age of her son. What is the present age of the son? MCQ
- The average of five consecutive integers is P. If the next two numbers are added, how shall the average vary? MCQ
- 5 years earlier X was triple the age of Y. At present the sum of their age is 70. What is the present age of X? MCQ
- What is the average from 1 to 59? MCQ
- Tanvir’s present age is two-fifths of the age of his father. After 8 years, Tanvir will be one-half of the age of his father. What is the present age of the father? MCQ
- Average mark in Math in a class of 40 students is 45. Average mark of all the 30 boys is 48. Then the average mark obtained by the girls is: MCQ
- A couple has a son and a daughter. The age of the father is four times the son and the age of the mother is three times the daughter. The mother is 6 years younger to the father and the daughter is 3 years older than the son. What is the age of the mother? MCQ
- The average of ten numbers is 10. If each number is multiplied by 8, what is the new average? MCQ
- Of three numbers, the average of the first and third number is greater than the average of the second and third number by 14. What is the difference between the first and the second number? MCQ
- The average weight of the women in a group is 55 kg and that of the men is 70 kg. If the average weight of the group is 65 kg, what is the ratio of women to men in the group? MCQ
- The average of 9 consecutive odd numbers is 33. What is the average of the first two and last two numbers? MCQ
- The present age of three persons are in the ratio of 4 : 7 : 9. Eight years ago, their total age was 56 years. In five years what will be the age of the youngest person? MCQ
- The average of five numbers is 16. If one number is excluded, the average becomes 14. The excluded number is - MCQ
- X’s age 3 years ago was three times the present age of Y. At present Z’s age is twice the age of Y and also Z is 12 years younger than X. What is the present age of Z? MCQ
- The average age of a group of 20 students is 16 years. When 5 more students join the group, the average age increase by 1 year. The average age of the new students is? MCQ