গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৫৮০১–১৫৮২০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- The monthly incomes of two persons are in the ratio 5 : 4 and their monthly expenditures are in the ratio of 9 : 7. If each saves BDT 50 per month, what would be the total amount of their monthly expenditure? MCQ
- A lead ore mine contains 50% metal. Of this metal, 4/5% is gold and the remainder is lead. If 6000 kg of ore is extracted, what is the mass of the lead? MCQ
- A reduction of 25% in the price of sugar enables a housewife to purchase 5 kg more for 600 Taka. What is the original price per kg of sugar? MCQ
- There is a ratio of 5 : 4 between two numbers. If 40% of the first number is 12, then what would be 50% of the second number is? MCQ
- A shirt is sold for Tk. 1500 at a profit of 20%. What would have been the actual profit or loss if it had been sold for Tk. 1200? MCQ
- Mr. Ali is a trader. He mixes 26 kg of rice at Tk. 20 per kg with 30 kg of rice of other variety at Tk. 36 per kg and sells the mixture at Tk. 32 per kg. His profit percent is- MCQ
- If 60% of A = 3/4 of B, then A : B is- MCQ
- A toaster machine is priced at Tk. 25,000 and sold with two successive discounts of 15% and 10%. What is its final selling price? MCQ
- Every 2 minutes, 5 litres of water are poured into a 1,500 litre tank. After 3 hours, what percent of the tank will be full? MCQ
- The ratio between Karim's age and Rahim's age is 11 : 10. What is the age of Karim as a percentage of Rahim's age? MCQ
- A girl bought a Nepenthes plant for Tk. 1600 after getting a 20% discount. What was the original catalog price of the plant? MCQ
- By what percentage must 40 be increased to become 70? MCQ
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MCQ - If a student of the mathematics department sells all his books for Tk. 7,500, he loses 25%. To gain 10%, at what price should he sell the books? MCQ
- An article is sold at a 25% discount, resulting in a 20% profit. If the discount is reduced to 15%, what will be the new profit percentage? MCQ
- What percentage of numbers from 1 to 50 has 2 or 9 in the unit digits? MCQ
- A shop offers a ‘Buy 2, Get 1 Free’ deal. What is the equivalent percentage discount? MCQ
- The bus fare was recently raised from Tk. 3.70 to Tk. 4.00 per kilometer. What is the approximate percentage increase? MCQ
- If both the length and the breadth of a rectangle are increased by 20%, what is the percentage increase in its area? MCQ
- A dozen Bombay peppers are purchased for Tk. 37.50 and sold for Tk. 39.75. What is the profit percentage? MCQ