Question
Electric bulbs are filled with
:Solution
Filling a bulb with an inert gas such as argon or nitrogen slows down the evaporation of the tungsten filament compared to operating it in a vacuum.
- The side of a square is 33⅓% less than the length of a rectangle whose area is 1800 cm² and breadth is 40 cm. What is the perimeter of the square?
If tan θ + cot θ = 5, then the value of tan2 θ + cot2 θ + 2tan2 60° is:
The quantity of sugar in a 28 percent sugar solution is 91 grams. What is the total quantity of the solution?
The length, breadth and height of a storeroom are 14m, 9m and 10m respectively. If each box occupies 60 m3 of space, then how many boxes can ...
The volume of a cube is 4096 cm³. If the cost of painting the cube is Rs. 4 per cm², then find the cost of painting five faces of the cube.
The ratio of length to breadth of a rectangle is 8:5. When the length and breadth of the rectangle is increased by 25% and decreased by 30% respectively...
If a triangle with base 6 cm has the same area as a circle with radius 6 cm, then the corresponding altitude (in cm) of the triangle is:Â
18 × 15 + 86 – 58 = ? + 38
In an exam of 100 marks, the average marks of a class of 38 students are 72. If the top 3 scorers of the class leave, the average score falls “dow...
The radius of the base of a cylinder is 14 cm and its curved surface area is 880 cm². Its volume (in cm³) is: (Takе π = 22/7)
