Question
The average Hindi marks of two sections A and B of class
VIII in the annual examination is 75. The average marks of Section A is 78.5 and that of section B is 70. The ratio of the number of students of section A and B isSolution
Let the number of students in section A is x and B is y, then 75 = (78.5 × x + 70 × y)/ (x + y) ⇒ 75x + 75y = 78.5x + 70y ⇒ 5y = 3.5x ⇒ x/y = 5/3.5 ⇒ x/y = 10 : 7
Rose supreme is the variety of
Buffer stock is generally maintained in order to _____
Chemiosmotic theory was first put forward by
What is the depth of medium ploughing according to CRIDA?
Which one of the following strategies is unsuitable for the management of ‘Ascochyta blight’ of chickpea?
The principal element NOT to be considered while practicing organic farming is:
The flavor of ripened banana is due to which compound
Goose neck in Narcissus is________
______ open its stomata during night and closes during day time
A disease of citrus plants in which cracks develop in the bark and sap oozes out. Profuse gumming on the surface is seen. It also causes leaf rot.
Relevant for Exams:
