গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৮০২১–১৮০৪০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- If 100 is divided into two parts in such a way that the sum of their reciprocals is 1/21, the difference between the two parts is- MCQ
- Three numbers are in the ratio of 3 : 4 : 5 and their L.C.M is 2400. Their H.C.F is MCQ
- Out of six consecutive natural numbers if the sum of the first three is 30, what is the sum of the other three? MCQ
- If the numbers from 1 to 24, Which are divisible by 2 are arranged in descending order, which will be at the 7th place from the bottom? MCQ
- Find the highest three-digit number which, when divided by 14, 21, 35 and 42, leaves 6 as remainder in each case. MCQ
- One-fifth of a number is equal to 5/8 of another number . If 35 is added to the first number, it becomes four times of the second number. The second number is- MCQ
- A number whose fifth part increased by 4 is equal to its fourth part reduced by 10. Find the number. MCQ
- If the three numbers are added in pairs , the sum is equal to 10, 16, 24. What is the difference between third and first number? MCQ
- The angle of elevation of ladder leaning against a house is 60° and the foot of the ladder is 7 metres from the house. The length of the ladder is- MCQ
- A system of equations is shown below:
X + u= 6
X - v=5
X + w = 4
X - z = 3
What is the value of u+v+w+z? MCQ - If the total surface area of the hemisphere be 48π sq. cm, then its radius is - MCQ
- If sec(x − 30°) = 2, then cot x = ? MCQ
- Three angles of a triangle are in proportion 3 : 4 : 5. Then what is the difference in degrees between the biggest and the smallest angles? MCQ
- For what value of 'm' will be the pair of equations 2x + 9y = 3 and 14x + my = 23 does not have a unique solution? MCQ
- If cosθ + sinθ = 1, then θ = ? MCQ
- If the land of the isosceles triangle is 16cm and the other two sides are 10cm each, what is the area of the triangle? MCQ
- If the radius of a circle is 12 cm and a circular segment subtends an angle 30° at the center, then the length of the arc is - MCQ
- If 3 cm is the length of a median of an equilateral triangle, then the area is - MCQ
- If 1/2 is a root of the quadratic equation x2 - mx - 3/4 = 0, then value of m is: MCQ
- The slant height of a right circular cone is 5 m and its height is 4 m. Find the area of its curved surface. MCQ