Question
15 years ago, A was 1/3 of B’s age. If the ratio of
their present ages is 3:4, what will be the sum of their present ages?Solution
Let the present age of A and B be 3x and 4x respectively. According to question, => 3(3x – 15) = (4x – 15) => 9x – 45 = 4x – 15 => 5x = 30 => x = 6 Present age of A = 3x = 18 yrs And present age of B = 4x = 24 yrs The sum of their present ages = 18 + 24 = 42 years
Maize is generally not grown in
FRP is announced for which crop
Lalit and Shweta are the varieties of:
Yellow vein mosaic disease of okra is a viral disease.Â
Which of the following insects spreads the disease?
Gemma cups are found in which plant?
When the activity of one gene is suppressed by the activity of a non-allelic gene, it is known as
Concept of allelopathy was given by
The chemical Colchicine is used to induce :
______ is known as Father of Natural farming.
The most critical growth stage for moisture stress in lentil