Question
Which of the following sentence is/are correct about
crop rotation? 1. Crop rotation helps return nutrients to the soil without synthetic inputs. 2. Crop rotation is the practice of planting different crops sequentially on the same plot of land to improve soil health 3. Crop rotation deteriorates the soil structure as same nutrients are used time and time again.Solution
The correct answer is D
Find the greatest number of 4 digits divisible by 15, 25, 40 and 75.
Two numbers have HCF 4 and LCM 48. If one of the numbers is 12, find the other number.
If the average age of "Ava," "Bella," and "Cara" is 30 years, and the ratio of their ages is 5:7:3, what is the age of "Cara"?
The HCF and LCM of 2 numbers are 2 and 60 respectively. If one of the numbers is 14 more than the other, find the smaller number.
What is the greatest number which divides 18, 29, and 40 and gives the remainder as 2, 3, and 4 respectively?
The H.C.F. of two numbers is 20 and the other two factors of their L.C.M. are 9 and 13. The larger of the two numbers is:
Five bells commence tolling together and tolls at intervals of 6, 12, 36, 42 and 60 seconds respectively. In 126 minutes, how many times do they toll to...
The L.C.M of a² – 2a – 3 and a³ + a² + a + 1 isÂ
The smallest number which when divided by 25 and 30 leaves remainder 10 and 15 respectively is:
The greatest number of four digits which when divided by 6, 8, 10 leave remainders 3, 5, 7 respectively is:
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