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Wasps and many bees can sting more than once because they can pull out their stinger without injuring themselves. Honeybees have special hooks on their stinger that keep it in the skin after they sting someone.
The surface area of a sphere is given as (12474/25) cm². Calculate the diameter of the sphere. (Use π = 22/7)
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)
A barrel has 140 liters of mixture of alcohol and water, in which water is 10%. 30 litre of this mixture was taken out and replaced with “X”...
Radius of a cylinder is increased by 20% and height reduces by 40% so what effect on the volume of cylinder?
A tank whose length, width and height are 19 metres, 14 metres and 10 metres respectively is completely filled with juice. If the juice costs Rs.5/m
The area of a rhombus is given as 384 cm², and its perimeter measures 80 cm. Determine the total length of its two diagonals.
In a rectangular floor of length and breadth of 16 metres and 7 metres, respectively, square tiles each of 2 metre edge length are to be laid. If the co...
The circumference of a circle is 66 cm and the length of the rectangle is 4 times the radius of the circle. Find the area (in cm2) of the rec...
A right circular cone has a base radius of 9 cm and a height of 12 cm. Calculate the curved surface area of this cone.
If the curved surface area and the radius of a cylinder are 660 cm2 and 14 cm, respectively, then find the volume (in cm3) of the ...