Question
The ratio of the age of ‘C’ 8 years hence from now,
to the age of ‘D’ 4 years ago from now is 3:1. If the sum of their present ages is 68 years then find the present age of ‘C’.Solution
ATQ, The age of ‘C’ 8 years hence and age of ‘D’ 4 years ago, from now be 3x years and x years, respectively. According to the question, 3x - 8 + x + 4 = 68 Or, 4x - 4 = 68 Or, 4x = 72 Or, x = 72 / 4 = 18 years Therefore, present age of ‘C’ = 3x - 8 = 3(18) - 8 = 54 - 8 = 46 years.
Mean deviation is least when calculated about:
Agriculture and Agronomy are derived from
The persons who starts to adopt new practices quickly or at first are called_____
The branch of Horticulture that deals with the cultivation of vegetables is called
1.      What is the tagline of Soil Health card?
Hopper burn is a symptom of _____
CONTINOUS variation occurs in a population due to:
Foragial types of legs are found in _____ insect.
‘Kresek’ symptom is a characteristic symptom of which disease of rice?Â
 Major genes are responsible for