18 years ago, The sum of age of a family of four members = 45 × 4 = 180 years Now at present, The sum of age of four members = 180 + 18 × 4 =252 years Let the Present age of younger child be x years And the present age of older child = (x + 12) years Now, as per the question 252 + x + 12 + x = 45 × 6 2x = 270 – 264 2x = 6 X= 3 Hence the required ratio = (3+12) : 3 = 15: 3 = 5: 1
Which one of the following is a neutral fertiliser?
Heavy shedding of buds and bolls occurs in cotton due to:
Which of the following element is non-essential but useful for plants?
Which of following fruit is most suitable for jelly making
Scientific name of soybean is:
Silkworm spp. that undergoes one generation in one year, are termed as
In early withdrawal of monsoon what should be best moisture mitigation practice?
The organelle responsible for the synthesis of lipids and the modification of proteins is
Indole 3-pyruvate is the primary intermediate of______ biosynthesis.
The term oligopoly means:
