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Total distance travelled by boat A = 50kms Speed of stream = 5 km/hr Speed of boat A in still water = 20 km/hr Upstream speed = 15 km/hr Downstream speed = 25 km/hr Upstream distance = 40% of 50 kms = 20 kms Downstream distance = 50 kms – 20 kms = 30kms Time taken to travel upstream = km/hr = km/hr Time taken to travel downstream = km/hr = km/hr Average speed = = = 19.74 km/hr Hence, option 3 is the correct answer
Community Development Programme was started on
Under which ministry does the Cotton Corporation of India (CCI) operate?
If germination per cent of seed sample is 90, purity 80% what is real value:
What term is used to describe the arrangement of primary xylem in roots where protoxylem is towards the periphery and metaxylem is towards the center?
Which mechanical measure involves constructing ridges across the slope for reducing runoff erosion and conserving moisture?
As per Section 5 of the FSS Act, The Food Authority shall consist of a Chairperson appointed by the Central Government and the following 22 members out ...
The organization responsible for formulating Indian Standards for fresh and processed fish is:
The practical utilization of nematode transmitted bacterium Bacillus Popillac achieved towards which of the following insect.
What distinguishes the Caryophyllid type of Embryogeny from other types?
Under which climatic conditions do the laeterite soils develop
