Question
The ratio of A and B present age is 7:3. The product of
their ages is 8400. What will be the ratio of their ages after 4 years?Solution
Let their present age be 7x and 3x respectively. Product of their ages = 21x² = 8400 => x² = 400 => x = 20 Present age of A = 7x = 140 years Present age of B = 3x = 60 years Ratio of their ages after 4 years = (140+4) : (60+4) = 144:64 = 9:4
Under the controlled and modified storage conditions which of these cannot be regulated
The National Policy for Farmers, 2007 was formed on recommendations of National Commission on Farmers, 2006 under the chairmanship of __________
Which of the following is an elementary substance which is a good conductor of electricity but is not a metal?
The practice of planting different crops sequentially on the same plot of land is called
Fruit Products Order was established in which year?
Which one of the following is an example of restorative crops?
Given below are two statements:
Statement I
Circulation of air over tropics is dominated by Hadley cell and Walker cell
Statemen...
Brassica carinata evolved from the cross of:
Match List I with List II
Which of the following methods causes killing of microorganisms
