Which of the following is a method of controlling plant diseases that involves the use of beneficial microbes?
Biological control involves the use of beneficial microbes to control plant diseases.
The cost of fencing a rectangular field at the rate of Rs. 5/metre is Rs. 450. If the length of the field is 11 metres more than its breadth, then find ...
A street of width 25 metres surrounds from outside a rectangular garden whose measurement is 190 m × 220 m. The area of the path (in square metres...
The length of a plot is six times its breadth. A playground measuring 300 square metres occupies half of the total area of the plot. What is the length ...
A circular wire enclosing the area of 9,856 cm² is bent to form a square. How much area will be enclosed by that wire?
The population of a town is 64000. It increased by 10% during the first year. During the second year, it decreased by 25% and increased by 5% during the...
The area of two similar triangles is 400 cm² and 324 cm², respectively. What is the ratio of their corresponding altitudes?
In an equilateral triangle ABC, D is the midpoint of side BC. If the length of BC is 8 cm, then the height of the triangle is:
If A’s income is 60% more of B’s income and B’s income is 40% less than C’s income, then by what percent is C’s income mor...
The angle of elevation of a pole from a point, which is 20 m away from the foot of the pole is 45°. Find the height of the pole.
A candidate just passed by getting 150 answers correct by attempting 225 of the total questions. Find the total number of questions in the examination i...
