গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৮৬৮১–১৮৭০০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- Himu invested 10% more than Tushar. Tushar invested 10% less than Rubel. If the total sum of their investments is Tk. 5780, how much amount did Rubel invest ? MCQ
- A's income is Tk. 140 more than B's income and C's income is Tk 80 more than D's. If the ratio of A's and C's income is 2 : 3 and the ratio of B's and D's income is 1 : 2, then the incomes of A, B, C and D are respectively MCQ
- An 80L solution of alcohol and water has 45% alcohol in it. If you want the mixture to be 75% alcohol, how much alcohol would you add to it? MCQ
- A vessel contains 40 litres of orange juice. 4 litres of orange juice in the vessel was replaced by water. This process was again repeated twice with the mixture. How much orange juice is there in the final mix? MCQ
- The drink for children has juice and water in the ratio 5:2 while the drink for adults has them in ratio 7:4. If both the mixes are poured in a jug, find the final ratio of water to juice in the jug. MCQ
- Three vessels contain a milk mixture 30 litre each. When put in a big vessel, they result in a mixture of milk and water in the ratio 2:1. If the ratio is to be reversed to make it 1: 2, how much more water should be added to the mix? MCQ
- 3 varieties of wheat were mixed at a warehouse. The rate of Type 1 wheat was Tk 145 Kg and the rate of Type 2 wheat was Tk. 20 per kg more than Type 1. The quantities of 3 varieties of wheat were in the ratio 2 : 1 : 3 respectively. The mix was finally sold at the rate of Tk. 180 per kg. Find the price of the 3rd type of wheat? MCQ
- A can contains a mixture of two liquids A and B in the ratio 7 : 5. When 9 litres of mixture are drawn off and the can is filled with B, the ratio of A and B becomes 7 : 9. How many litres of liquid A was contained by the can initially? MCQ
- 4 kg of metal contains 1/5 copper and rest in Zinc. Another 5 kg of metal contains 1/6 copper and rest in Zinc.The ratio of Copper and Zinc into the mixture of these two metals: MCQ
- A milkman claims to sell milk at its cost price, still, he is making a profit of 30% since he has mixed some amount of water in the milk. What is the % of milk in the mixture? MCQ
- The amount of water (in ml) that should be added to reduce 9 ml lotion, containing 50% alcohol, to a lotion containing 30% alcohol is? MCQ
- The total population of a city is 6500.The number of males and females increases by 5% and 10% respectively and consequently the population becomes 7000. Find the number of males in the village. MCQ
- The price of rice falls by 15%. By what percentage a person can increase the consumption of rice so that his overall budget does not change? MCQ
- A student attempts x number of questions. He answers 15 correctly out of the first 20 questions and of the remaining questions, he answers 1/3 correctly. If all questions have the same credit and the student gets 50% marks, then find the value of x. MCQ
- A boy bought a camel and carriage for Tk 5000. He sells the camel at a gain of 20% and the carriage at a loss of 10%. If he gains 3% on the whole, then find the cost of the camel. MCQ
- A dishonest shopkeeper sells his grocery using weights 10% less than true weights and makes a profit of 30%. Find his total gain percentage. MCQ
- If a boy sells a book for Tk. 450 he gets a loss of 10%, then finds the cost price. To gain 10%, what should be the selling price? MCQ
- After two successive discounts, a tie with a list price of Tk. 120 is available at Tk. 90. If the second discount is 9%, what is the first discount? MCQ
- Find the single discount equivalent to a series discount of 30%, 20% and 10%. MCQ
- A dealer marks the price of all the goods at 30% above the cost price and assumes that he will make a profit of 15% if he offers a discount of 15%. Find what will be his actual profit on sales? MCQ