Let speed of the boat in still water be ‘3x’ km/h. Speed of the boat in upstream = 3x ÷ 3 = ‘x’ km/h Speed of the stream = 3x – x = ‘2x’ km/h Speed of the boat in downstream = 3x + 2x = ‘5x’ km/h ATQ; (20/20) × 60 = 5x So, 5x = 60 Or, x = 12 So, speed of the boat in still water = 3 × 12 = 36 km/h
Name the most important weather element –
How much is the Sheep gestation period?
Soil Health Card Scheme was launched in which year?
The Central Seed Testing Laboratory is located at:
Arabian Jasmine (mallige) species is
pH suitable for fish pond is ___
Cyano-bacteria is classified under
Match List I with List II
Choose the correct answ...
Average product is equal to marginal product when:
Curled toe in poultry is due to the deficiency of which vitamin?