Question
A person covers a certain distance by car, driving at
the speed of 90 kmph and returns back to the starting point, riding on a bike at the speed of 60 kmph. What is his average speed for the whole journey?Solution
Average speed = 2xy/(x+y) = (2 × 60 × 90)/(90+60) = 72 km / hr.
The rural development projects and men behind them are listed below. Which of the following is correctly matched?
1.      Bhoodan Movement...
Which of these green house gas is most abundant in the atmosphere?
What is the end product of the nitrification process in the nitrogen cycle?
 What is the seed rate of hybrid cotton with a spacing of 120 × 60 cm?
The form of education which is confined within the boundaries and follow a set pattern of curriculum is termed as
Which cereal crop is most tolerant to saline and alkali soils
Sand dunes are commonly seen in:
Average capacity of a windmill would be about:
What is conservation agriculture?
A system in which forest trees are grown along with agricultural crops and grasses on the same land at the same time is known as ____
