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Explanation: Crop rotation involves varying the planted crops over time to avoid continuous cropping or monoculture, and it is effective in controlling root diseases.
What are the values of k, if the roots of the equation x² + 2(k - 4)x + 2k = 0 are equal?
182 – 517 ÷ 11 - √361 = ?
33 + (6.25) % of 1600 = ? + 2 X 55
Find the value of 325 × 5 + 31 × 21 – 22 × (63 − 52).
(25.111 % of 200) × 26 ÷ 12.99 – 18.88 × 15.82 + 150.33% of 3√ 4917 = ? – 200
...18 + 28÷ 4 - 14 = ? - 35
...√3600% of 150 + 3/5 of 360 - ? = 210
12% of 152 + 12% of 150 = ? of 5
(60/15) × 25 + 15 2 – 18% of 200 = ? 2
