Applying chain rule, (45 x 30)/(3/5) = (M2 x 15)/(2/5) M₂ = (5 x 45 x 30 x2)/(15 x 5 x 3) = 60 men Required men = 60 – 30 = 30 men
Determine the curved surface area of a right circular cone whose height is 23 cm and diameter of the base is 46 cm.
A right circular cylinder of height 12 cm is covered by a rectangular sheet of aluminum foil of size 12 cm × 31.4 cm. Calculate the volume of the cylin...
The radius of a cone is 7 cm, and its height is 24 cm. A sphere is inscribed in the cone, touching the base and the curved surface. Find the radius of t...
The curved surface area of the sphere is 154 cm2 . Find the volume of the sphere (rounded off to one digit after decimal).
A tank whose length, width and height are 20 metres, 18 metres and 10 metres respectively is completely filled with juice. If the juice costs Rs.4/m
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:
A circular wire of diameter 70 cm is folded in the shape of a rectangle whose sides are in the ratio 3:2. Find the area enclosed by the rectangle.
A diagonal of a rhombus is 6 cm. If its area is 24 cm, then the length of each side of the rhombus is?
Length and breadth of a rectangle are in the ratio 2:5. If the perimeter of the rectangle is 36 cm more than the length of the rectangle, then find the ...
‘A’ invested Rs. 4680 for ‘x’ months while ‘B’ invested Rs. 780 less amount than ‘A’ for (x + 5) months....
