In many crop plants, cross-pollination often exceeds 5% and may reach 30%. Such species are generally known as often cross-pollinated species, e.g., Jowar, Cotton, arhar, Safflower etc.
A hollow cylinder is made up of steel. the difference in its outer and inner curved surface area is 132cm2.Height of cylinder is 21 cm and su...
The ratio of the length to the breadth of a rectangular park is 3:2. If a man cycling along the boundary of the park at the speed of 18 km/hr completes...
A tank whose length, width and height are 21 metres, 18 metres and 10 metres respectively is completely filled with juice. If the juice costs Rs.5/m
The perimeter of a square field is 16 cm more than the perimeter of a rectangle. The length of the rectangle is 24 cm which is 150% of its width. If a s...
A trapezium has parallel sides of lengths 10 cm and 20 cm, and its height is 8 cm. Find the length of the diagonal if the diagonals are equal.
The radius of a sphere is 18cm. The surface of the sphere is what percent of its volume.
A race track is in the shape of a rectangle with length of 13 metres and area of 1300 m2. A car takes 10 seconds to make one lap around the p...
A well with 30 metre inner diameter is dug 6 m deep. Earth taken out of it, has been evenly spread all around it to a width of 15 m to form an embankmen...
The volume of a cube is 2744 cm 3 in which a maximum possible size of circle is drawn on each face. The circle drawn on each face of the ...
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...
