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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; (24/48) × 60 = 30 So, 5x = 30 Or, x = 6 So, speed of the boat in still water = 3 × 6 = 18 km/h
Which protein suppresses RNAi silencing in viruses?
Allophone is found in which type of soils?
The instrument used for measuring depth of water table is known as:
Central Institute of Post-Harvest Engineering and Technology is located at----
Consider the following statements in reference to cross pollinated crops.
A. Inbred lines based single cross hybrid is homozygous and homogeneous...
Available soil moisture in soil is 24 cm/m depth of soil. The effective root zone depth is 1.5m. Calculate the amount of water in the root zone in 3 ha ...
What is the irrigation efficiency in check and basin flooding method of irrigation?
Pteridophyta are also called:
Which one of the following equations to calculate the discharge through an orifice?
(a) 0 = 0 61 × 10 a √2 gh
(b) 0 = 00186 LH
KVK was recommended by which committee _____