Question
20.02 × 36.25 + 128.02 = ? +
364.04 What approximate value will come in place of the question mark (?) in the following question?(Note: You are not expected to calculate the exact value.)Solution
ATQ, 20.02 × 36.25 + 128.02 = ? + 364.04 ? + 364 ~ 20 × 36 + 128 ? ~ 484
Find the perimeter of a sector which forms a central angle of 150° in a circle of radius 21 cm.
(Use π = 22/7)If the circumference of a circle is 352 cm then find the area of the circle?
A cylindrical drum has internal radius 2 m and height 3.5 m. Find its volume. Take π = 22/7.
In what time would a Cistern be filled by three pipes whose diameter are 2cm, 8/3 cm and 4cm running together, where the largest pipe alone fill it in 1...
A rectangular piece of copper foil of length 63 cm and area 1386 cm2 is folded along its width to form a cylinder such that there is only one...
The sum of the areas of a rectangle and a square is 432 cm². The breadth of the rectangle is 6 cm more than each side of the square. If the length of t...
- The length of a rectangle is the same as the side of a square. If the area of the square is 625 m² and that of the rectangle is 500 m², what is the perim...
A right circular cylinder having total surface area of 2833.6 cm2 is immersed in a vessel completely filled with water. If the height of the ...
Inside a square land having perimeter equal to 120 metres, leaving aside a circular land of radius 14 metres, the remaining land needs to be levelled at...
If both the length and breadth of a rectangle are increased by 5 m, its area increases by 225 m². The ratio of the perimeters of the square and rectang...
Relevant for Exams:
