গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১২৬১–১২৮০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- 2x + 3y = 7 এবং 5x - 2y - 8 = 0 হলে (x, y) = ? MCQ
- 9 × 3 = 5418 এবং 5 × 4 = 3024 হলে 8 × 2 = ? MCQ
- What is the greatest prime factor of 2515 − 528? MCQ
- Six bells commence tolling together and toll at intervals of 3, 5, 6, 9, 10, and 15 seconds respectively. In 45 minutes, how many times do they toll together? MCQ
- The radius of a wheel is 21 cm. How many revolutions will it make in travelling 1.32 kilometers? MCQ
- A, B, and C started a business by investing Tk. 24,000, Tk. 32,000 and Tk. 40,000 respectively. If the total profit at the end of the year is Tk. 18,900, what is B's share of the profit? MCQ
- A tank can be filled by pipe A in 4 hours and pipe B in 8 hours. At 2 pm pipe A was opened. At what time will the tank be filled if pipe B is opened at 3 pm? MCQ
- A mixture contains two liquids 'A' and 'B' in the ratio 5 : 3. If 8 litres of the mixture is withdrawn and replaced with 8 litres of 'A', the ratio becomes 2 : 1. What was the initial quantity of 'B'? MCQ
- A 320 metre long train crosses a platform twice its length in 48 seconds. What is the speed of the train in km/hr? MCQ
- A and B together can complete a work in 10 days. A alone can complete it in 30 days. If B works only for half a day daily, then in how many days will A and B together complete the work? MCQ
- If 5x - (5/x) = 15, then what is the value of x3 - (1/x)3? MCQ
- What is the slope of a line perpendicular to the line whose equation is 3x + 4y = 8? MCQ
- If logx(81/16) = - 2, then x = ? MCQ
- At what rate of compound interest per annum will a sum of Tk. 2500 become Tk. 3600 in 2 years? MCQ
- All possible three-digit numbers are formed by the digits 1, 2, 3, 5, 6 (without repetition). If one number is chosen randomly, what is the probability that it is divisible by 5? MCQ
- The sum of the ages of a father and his son is 45 years. Five years ago, the product of their ages was 4 times the father's age at that time. What are the present ages of the father and son? MCQ
- The three sides of a triangle are 2x, 3x + 1, and 4x − 1 respectively, and the perimeter is 36 cm. What is the length of the longest side? MCQ
- If the difference between the circumference and diameter of a circle is 120 cm, then the radius of the circle is: MCQ
- What is the angle between the hour and minute hand of a clock when it is 7 : 20 pm? MCQ
- Find the midpoint of the line segment joining the points P1 = (- 2, 5) and P2 = (8, - 1). MCQ