গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৬৫৪১–১৬৫৬০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- A student erroneously multiplied a number by 2/5 instead of 5/2.What is the percentage error in the calculation? MCQ
- Mehedi purchased two articles at the same price and sold one at a profit of 20% and the other at a profit of 22.5%. If the difference between the two selling price is Tk. 150, what is the cost price of each of the articles? MCQ
- A clothing store offers a dress initially at Tk. 1000. Then one week later, the store offers the dress at 15% off. The dress still doesn't sell, so after another week, the store reduces its new price by 20%. How much does the dress cost now? MCQ
- Three candidates, Salman, Parimal & Maruf contested an election and received 1800, 3300 and votes 3900 respectively. What percent of the total votes did Salman get? MCQ
- A merchant buys 30 kg of rice at Tk. 40/kg, and another 20 kg of rice at Tk. 30/kg. He mixes them and sells half of the mixture at Tk. 36/kg. At what price should he sell the remaining mixture to get an overall profit of 30%? MCQ
- Trader A offers a discount of 25% on the marked price for cash purchase. Trader B offers a trade discount of 20% and a cash discount of 5% on the same article marked at the same price as that of Trader A. As a buyer whom should I buy from if I am to pay cash? MCQ
- The total population of a village increased from 18000 to 22500 in a decade. The average percentage increase of population per year of that village is- MCQ
- Three-eighth of 320 chairs was sold at a profit of Tk. 50 each and the rest for Tk. 33600. If the seller makes a profit of 20% on the whole transaction, what is the cost price of each of the chair? MCQ
- A package tour operator allows a 25% discount on his advertised price and then makes a profit of 20%. What is the advertised price on which he gains Tk. 60? MCQ
- A Stationery seller had some Pens, Sharpeners, Erasers & Pencils. He sells 65% of the total units and still has 175 units. Originally, he had- MCQ
- A shopkeeper sells his goods at a profit of 10%. If he had purchased it at 20% less and sells it at Tk. 10 more, he had a gain of 40%. Find the cost price of the goods. MCQ
- Normally a Play Station costs Tk. 5000, but you only want to pay Tk. 4500. How much discount (in percent) do you want? MCQ
- The price of a product is reduced by 25%, but the daily sale of the article is increased by 30%. Find the net effect on the daily sale. MCQ
- In 10 years, Alif will be twice as old as Bashir was 10 years ago. If Alif is now 9 years older than Bashir, the present age of Bashir is- MCQ
- A grocer has a sale of Tk. 6430, Tk. 6932, Tk. 6850, Tk. 7235 and Tk. 6560 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 total age of A and B is 12 years more than the total age of B and C. C is how many years younger than A? 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
- The sum of the present ages of a father and his son is 60 years. five years ago, father's age was four times the age of the son. So now the son's age will be- MCQ
- Find the average of the square of first 5 consecutive odd numbers starting from 1 to 9, where the last odd number is 9. MCQ
- The average age of a group of 10 students is 15 years. When 5 more students join the group, the average age increase by 1 year. The average age of the new students is? MCQ