Let the distance be x km. Speed upstream = 4 – 3 = 1 kmph Speed downstream = 4 + 3 = 7 kmph => (x/7) + (x/1) = 8 => (x + 7x)/7 = 8 => 8x = 56 => x = 7 km
Rocks formed from the solidification of molten magma which is of two types i.e. intrusive and Extrusive rock ; these rocks are called as
Monopoly and Oligopoly are the examples of?
The relationship between two organisms, where both of them benefit from each other is called:
Cultivation of crops in areas receiving annual rainfall more than750 mm but less than 1150 mm is known as
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: Median is the selection...
Which technique uses double stranded RNA (dsRNA) as a trigger that targets homologous mRNAs for degradation or inhibiting its transcription translation?...
Mango is a sweet and juicy fruit with a distinctive flavor and aroma, and is rich in vitamins, minerals, and antioxidants. The temperature at which chi...
Name the breed which is black & white in colour with wide variations from nearly all white to all black, black & white patches throughout body a...
which cereal crop can grow well under saline soil
Which of the following is main objective of puddling in paddy?
