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Ratio of copper to tin in the alloy = 17:3 Let the quantity of copper and tin in the alloy be 17x kg and 3x kg, respectively. According to question, 17x = 3x + 28 x = 2 kg So, the quantity of new alloy = 17x + 3x + 28 = 20x + 28 ⇒ 40 + 28 = 68 kg
An association between organisms of two different species in which one is inhibited or destroyed and the other is unaffected is called
Which of the following is best suited as catch crop?
Damaging stage of white grub is
Apomixis refers to
The breakdown of nitrites and nitrates by bacterial activity is known as:
What is the correct definition of "Fingerling" in fisheries terminology?
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Which machinery can be used for all purpose like sowing, field preparation, weeding etc etc.
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