Question
The speed of a boat in still water is 45 km/hr, and the
speed of the stream is 5 km/hr. The boat takes 30 minutes longer to cover a distance of x km upstream than it takes downstream. Find the value of 3.5xSolution
Upstream speed of boat = 45 – 5 = 40km/hr. Downstream speed of boat = 45 + 5 = 50km/hr.
Under irrigated conditions, what period is considered most optimal for sowing medium and long-duration wheat varieties in India?
The phase of cell cycle in which the chromosomes are pushed to their respect polesÂ
Dioecious plant species, where male and female flowers are on different plants, include:
Which group of crops is more suited for organic farming in Bundelkhand region of Uttar Pradesh?
Which one of the following is not a physical indicator of soil?
Which type of maize is mainly grown in India?
Which insect order does not undergo complete metamorphosis (holometabolism)?
What is the specialized structure in butterflies and moths that allows them to feed on nectar?
The bacterium responsible for nitrogen fixation in leguminous crops is:
Which of the following best describes the process of maceration in entomological preparations?