গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
৩৬৪১–৩৬৬০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- A runner crosses a square field diagonally with a side length of 200√2 m in just 20 seconds. How much time will it take to complete the full perimeter of the field? MCQ
- A boat in still water travels at a speed of 24 kmph. It goes 40 km downstream in 1 hour 20 minutes. The time taken by it to cover a 45 km distance upstream will be - MCQ
- Two runners start running together for a certain distance, one at 5 km/h and another at 8 km/h. The former arrives one and a half an hour before the latter. The distance in Km is - MCQ
- In a 200m race, Joy defeats Bishal by 5 seconds. If the speed of Joy is 18 kmph, then the speed of Bishal is- MCQ
- If α and β are positive acute angles, sin(4α - β) = 1 and cos(2α + β) = 1/2, then the value of (α + 2β) is? MCQ
- sin(A + 14°) = 1/2, find the value of A? MCQ
- The angle of elevation of a ladder leaning against a wall is 60° and the foot of the ladder is 3 m away from the wall. The length of the ladder is: MCQ
- The minimum value of 2sin2θ + 3cos2θ is? MCQ
- If θ is a positive acute angle and 4cos2θ - 1 = 0, then the value of cot(θ - 30°) is equal to? MCQ
- Find the value of (1 + tanA - secA) (1 + cotA + cosecA). MCQ
- If sec2θ + tan2θ = 7, then the value of θ when 0° ≤ θ ≤ 90° is? MCQ
- θ is the positive acute angle and sinθ - cosθ = 0, then the value of secθ + cosecθ is? MCQ
- If sin A + cos A = a and sec A+ cosecA = b then, b(a2 - 1) = ? MCQ
- If a pole 6 m high casts a shadow 2√3 m long on the ground, then the elevation of the sun is - MCQ
- The numerical value of 1 + (1/cot263°) - sec227° + (1/sin263°) - cosec227° is? MCQ
- From a point at some distance from the base of a tree, the angle of elevation to the top of the tree is 30°. If the tree is 12 meters tall, how far is that point from the tree? MCQ
- If sec2θ + tan2θ = 5/12 then, sec4θ - tan4θ = ? MCQ
- If xtan60° + cos45° = sec45°, then the value of x2 + 1 is? MCQ
- The angle of elevation of the sun, when the length of the shadow of a tree √3 times the height of the tree, is: MCQ
- Vertices of a quadrilateral ABCD are A(0, 0), B(4, 5), C(9, 9), and D(5, 4). What is the shape of the quadrilateral? MCQ