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Since, the time taken by A and B is same, therefore the ratio of the distance covered by them will be equal to the ratio of their speeds. Therefore, ratio of the distance covered by A and B = 30:40 = 3:4 Let the distance covered by A and B be 3x km and 4x km According to the question, 4x – 3x = 20 Or, x = 20 Therefore, distance between them before starting = 3x + 4x = 7x = 140 km
No till planter used for-
When both alleles of a gene express equally in a heterozygote, it is termed as…………….
The instrument used to measure the soil strength is known as
Which of the following statement is true about micronutrients
The deficiency in plants can be visually identified at the early vegetative stage as an abnormally reddish purple color along the edge of the lower plan...
Common Peacock Butterfly; _________ is state butterfly of Uttarakhand.
In sunlight, a rose appears red. In green light, the same rose appears –
The technique of growing plants with their roots suspended in air without soil is called
Among the following, which contributes maximum to the total millet produced in the country ?
In meiosis synaptonemal complex develops during
