গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৪৪১–১৪৬০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- Two persons Choton and Billal started a business in which Choton invested Tk. 50000, Billal invested Tk. 80000, after 4 months Robiul joined them with a certain amount. At the end of the year, a total profit of Tk. 40000 was recorded. Robiul's share in the profit was Tk. 15000, then find Robiul's investment in the business. MCQ
- Three metal wires of lengths 90 cm, 126 cm, and 162 cm are provided. Calculate the maximum length of wire segments that can be cut, ensuring no waste. MCQ
- Asif, Sami and Riad started a shop by investing Tk. 2700, Tk. 9000 and Tk. 6300 respectively. At the end of one year, the profit was distributed. If Riad's share was Tk. 2100, what was their total profit? MCQ
- If n/23 is 2 more than m/23, then n = ? MCQ
- A sum of money at compound interest doubles itself in 15 years. It will become four times of itself in- MCQ
- The ratio of three numbers is 5 : 6 : 7, and their L.C.M. is 210. Find their H.C.F. - MCQ
- The average weight of 50 students in a class is 55 kg. If three students weighing 60 kg, 65 kg, and 70 kg leave the class, what is the new average weight of the remaining students? MCQ
- The product of two co-prime numbers is 540. Then their LCM is =? MCQ
- A cloth merchant sold half of his cloth at 20% profit, half of the remaining at 20% loss and the rest was sold at the cost price. Calculate the overall profit% or loss%? MCQ
- B is twice the age of C, and A is 2 years older than B. With their ages adding up to 42, what is A's age? MCQ
- The average weight of A, B, and C is 60 kg, and that of B and C is 62 kg. A’s present weight is- MCQ
- A acquired an article at Tk. 200 and sold it to B with a 20% markup. B then sold it to C at a 10% markup. Find the amount C paid. MCQ
- The number is such that when its square is multiplied by three and then reduced by four times the number, the result is fifty greater than the number itself. What is the number? MCQ
- A sum was put at simple interest at a certain rate for 3 years. Had it been put at 1% higher rate, it would have fetched 510 taka more. The sum is - MCQ
- When two values are 25% and 75% of a third number, how much of the second value is the first value as a percentage? MCQ
- Five siblings, born three years apart, have a combined age of 100 years. What is the age of the youngest one? MCQ
- What percentage of numbers from 1 to 50 has 3 or 7 in the unit's digit? MCQ
- The students in three batches in school is in the ratio of 2 : 3 : 5. If 20 students in each batch are increased than the ratio changes to 4 : 5 : 7. The total number of students in the three before the increase was- MCQ
- At every stop after the first, half of the passengers leave the bus, and no new passengers board after the first stop. If only 4 people get off at the fourth stop, how many passengers boarded the bus at the first stop? MCQ
- A man buys Tk. 20 shares paying 9% dividend. The man wants to have an interest of 12% on his money. The market value of each share is: MCQ