গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৬৬৪১–১৬৬৬০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- A man buys a fan for Tk. 1000 and sells it at a loss of 15%. What is the selling price of the fan? MCQ
- If the cost price of 5 oranges is equal to the selling price of 4 oranges, then find a profit percentage. MCQ
- If a pen cost Tk. 50 after 10% discount, then what is the actual price or marked price (MP) of the pen? MCQ
- 10 pens costs Tk. 100 each. If half of the pens are sold at 10% loss then find at what price remaining each pen should be sold for making no loss and no profit. MCQ
- A student bought a bag for Tk. 350 and later sold it for Tk. 400. Find the profit percentage he earned. MCQ
- The ages of Rima and Bina 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 three boys is 15 years. If their ages are in ratio 3 : 5 : 7, the age of the youngest boy is: 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 38 years now, the son's age six years back was: MCQ
- The average of a group of men is increased by 5 years when a person aged of 18 years is replaced by a new person of aged 38 years. How many men are there in the group? 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 37, then how old is B? MCQ
- The average salary of all the workers in a workshop is Tk. 8,000. The average salary of 7 technicians is Tk. 12,000 and the average salary of the rest is Tk. 6,000. The total number of workers in the workshop is: MCQ
- Ayesha's father was 38 years of age when she was born while her mother was 36 years old when her brother four years younger to her was born. What is the difference between the ages of her parents? MCQ
- The present ages of the three persons in proportions 4 : 7 : 9. Eight years ago, the sum of their ages was 56. Find their present ages (in years). MCQ
- The average weight of 47 balls is 4 g. If the weight of the bag (in which the balls are kept) be included; the calculated average weight per ball increases by 0.3 g. What is the weight of the bag? MCQ
- The age of a mother today is thrice that of her daughter. After 12 years, the age of the mother will be twice that of her daughter. The present age of the daughter is = ? MCQ
- A pupil's marks were wrongly entered as 83 instead of 63. Due to that, the average marks for the class got increased by half. The number of pupils in the class is: MCQ
- Ten years ago, a man was seven times as old as his son. Two years hence, twice his age will be equal to five times the age of his son. What is the present age of the son? MCQ
- The average of runs of a cricket player of 10 innings was 32. How many runs must be made in his next innings so as to increase his average of runs by 4? MCQ
- The present age of the daughter is half of the present age of her mother. Ten years ago, her mother's age was thrice the age of her daughter. What is the present age of the daughter? MCQ
- A school has only four classes that contain 10, 20, 30 and 40 students respectively. The pass percentage of these classes are 20%, 30%, 60% and 100% respectively. Find the pass % of the entire school. MCQ