Question
Which of the following irrigation efficiencies indicates
the proportion of applied water that is stored in the root zone of crops?Solution
Application efficiency = Water stored in the root zone / Water delivered to the field × 100. It indicates how effectively the water is utilized by crops and helps identify field-level losses.
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In a row of 10 boys, when Harish was shifted by 5 places towards the left, he became the 3rd from the left end. What was his earlier position...
 If 2 boys and 2 girls are to be arranged in a row so that the girls are not next to each other, how many possible arrangements are there?
How many straight lines are there in the given figure?
