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ATQ, aC2/(a+ 4)C2 = 1/3 Or, {a(a – 1)}/{(a + 4)(a + 3)} = 1/3 Or, 3a2 – 3a = a2 + 4a + 3a + 12 Or, 2a2 – 10a – 12 = 0 Or, 2a2 – 12a + 2a – 12 = 0 Or, 2a(a – 6) + 2(a – 6) = 0 Or, (a – 6)(2a + 2) = 0 Since, the number of coins cannot be negative, therefore a = 6 Number of one rupees coins = a + 4 = 10 Number of two rupees coins = 2a = 12 Total number of coins = 10 + 12 = 22 Required probability = 12/22 = 6/11
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?
ACABC (Agri-Clinic or Agri-business Centre) takes training from which of the following organization?
Which machinery can be used for all purpose like sowing, field preparation, weeding etc etc.
The recently approved variety DMH 11, the 1st GM Food Crop is tolerant to ____
250 million years ago the Earth's seven continents were all grouped together into a super continent called:
