গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
৩৪০১–৩৪২০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- The angle of elevation of the sun, when the length of the shadow of a tree (1/√3) times the height of the tree, is- MCQ
- The length of a room is 5.5 m and the width is 3.75 m. Find the cost of paving the floor with slabs at the rate of Tk. 800 per square metre. MCQ
- A circle of radius 3 cm is drawn inscribed in a right angle triangle ABC, right angled at C. If AC is 10 cm. Find the value of CB.
MCQ - The volume V of a right circular cylinder is V =πr2h where r is the radius of the base and h is the height of the cylinder. If the volume of a right circular cylinder is 64π and its height is 4, what is the circumference of its base? MCQ
- In the given figure, AB is the diameter of the circle with center O. If ∠BOD = 15° & ∠EOA = 85°, then find the value of ∠ECA.
MCQ - A circular well with a diameter of 14 meters, is dug to a depth of 3 meters. What is the volume of the earth dug out? MCQ
- The area of a rectangle and square are equal. The side of the square is 5 cm and the smaller side of the rectangle is half that of the square. The length of the other side of the rectangle would be- MCQ
- If the areas of a circle and a square are equal then the ratio of their perimeters is- MCQ
- If the radius of a circle is increased by 100%, by what % is the area of the circle increased? MCQ
- A hollow iron pipe is 21 cm long and its external diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weighs 8 g/cm3, then the weight of the pipe is: MCQ
- The length of two parallel sides of a trapezium are 30 cm and 60 cm respectively, and the distance between the parallel sides is 8 cm. Find the area of the trapezium. MCQ
- Find the maximum distance between two points on the perimeter of a rectangular garden whose length and breadth are 12 m and 5 m. MCQ
- Calculate the area of a rhombus if the length of its side is 2 cm and one of its angles A is 30 degrees. MCQ
- A school room is be built to accommodate 70 children so as to allow 2.2 m2 of floor and 11 m3 of space for each child. If the room be 14 metres long, what must be its breadth and height? MCQ
- How many metres of carpet 63 cm wide will be required to cover the floor of a room 14 metres by 9 metres? MCQ
- In a 24-hour period, how many times do the hour and minute hands coincide on a standard clock? MCQ
- According to the following symbol substitutions: '+' means '×', '×' means '-', '-' means '÷', and '÷' means '+', what is the result of 20 + 5 - 10 × 4 ÷ 2? MCQ
- If January 1, 2025 is on a Wednesday, what day will January 1, 2027 fall on? MCQ
- At which marked point of a lever should less force be applied if the object needs to be lifted?
MCQ - If the clock in the mirror shows 7:25, what is the time on the real clock? MCQ