গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৭৪৪১–১৭৪৬০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- The ratio of two numbers is 5 : 7 and their L.C.M is 420. What is the sum of the numbers? MCQ
- A fraction becomes 1/2 when 1 is added to both its numerator and denominator. And it becomes 1/4 when 1 is subtracted from both the numerator and denominator. Find the fraction. MCQ
- In a 300 m race, A beats B by 30 m and C by 40 m. In a race of 540 m, B will beat C by - MCQ
- How many 3-digit number are there between 200 and 400, having first and last digit as 3? MCQ
- The circumference of a circular plot is 352 meters. What is the area of the circular plot? MCQ
- Which of the following is the polynomial equation 2x4 - 5x3 + 9x2 - 4 = 0? MCQ
- (3a + 5b)/(3a - 5b) = 5 then a : b is equal to? MCQ
- The roots of a quadratic equation ax2 + bx + c = 0 will be irrational and unequal, if - MCQ
- If x = 3 + 2√2, then the value of (√x + 1/√x) is? MCQ
- If x + 1/x = 1 then, find the value of x2 + (1/x2) + 2 is - MCQ
- What is the value of expression (1 + x) (1 + x2) (1 + x4) (1 + x8) (1 - x)? MCQ
- If x4 + y4 = 17 and x + y = 1, then the value of x2y2 - 2xy? MCQ
- If (2x - 2y)/(x - 4y) = 4, then find the value of (x + y)/(x + 3y) = ? MCQ
- If the equation 2x2 - 7x + 12 = 0 has two roots α and β, then the value of (α/β) + (β/α) is - MCQ
- If a/(b + c) = b/(c + a) = c/(a + b) = K, then the value of K is - MCQ
- If (x/3) - (x/2) = (x - 1)/6, then find the value of x? MCQ
- If x = 2 then the value of x3 + 27x2 + 243x + 631 is - MCQ
- If the sum of two digits of a two-digit number is 9, the number obtained by interchanging two digits is 45 less than the given number. What will the number be? MCQ
- If x2 - 2x + 1 = 0 then the value of (x4 + 2x2 + 1)/x2 is - MCQ
- If a + b = 7, a2 + b2 = 25 then what is the value of ab? MCQ