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at sea means puzzled .
A hemisphere bowl of internal radius 15cm contains a liquid. The liquid is to be filted into cylindrical shaped bottles of diameter 5cm and height 6cm. ...
A rectangular piece of land has a perimeter of 66 metres and length of 21 metres. If the area of the land is to be divided into 7 equal portions, then w...
Perimeter of a square field is 120 meters and the area of a rectangular field is 20% more than that of the square field. Find the area (in m2...
A room 20 m long, 16 m broad and 8m high has 2 windows of 1 m and `1(1)/(2)` m and a door of 2m`xx` `1(1)/(2)` m. Find the cost of paper...
In the figure given below, PQRS is a parallelogram in which PN and PM are perpendicular to QR and RS, respectively. If RS = 81 cm, PM = 42 cm and PN = 5...
The angle of elevation of the top of a tower from a point on ground which is 30 mtrs. away from the foot of the tower is 30°. Height of the tower is:
Curved surface area of a cylinder is 440 cm². The base circumference is 44 cm. What is its volume?
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
B invests 30% of his monthly salary on Travelling and 20% of remaining on Food. Again, he invested 25% of the remaining (after travelling and food expen...
The perimeter of a rectangular field is 42 metres and its area is 108 m2 . What is the length of the diagonal of this field?