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Let price of one pen = x Let price of one notebook = y Mohit bought 3 pens and 6 notebooks by paying an amount of ₹180. 3x + 6y = 180 3x = 180 – 6y x = (180 – 6y) ÷ 3 x = 60 – 2y --------- (i) Sudesh bought 5 pens and 2 notebooks by paying an amount of ₹116. 5x + 2y = 116 Putting the value of x from equation (i) 5(60 – 2y) + 2y = 116 300 – 10 y + 2y = 116 300 – 8y = 116 300 – 116 = 8y 184 = 8y y = 23 Mohit spend on buying notebooks = 6y = 6 x 23 = 138.
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:
