Question
Average weight of 8 gold coins is 20 g per coin. Average
weight of 12 silver coins is 35 g per coin. What is the average weight per coin for 20 coins?Solution
Average weight = Total weight/Number of coins ⇒ The average weight of 8 gold coins = 20 g ⇒ Total weight of 8 coins = 160 g ⇒ The average weight of 12 silver coins = 35 g ⇒ Total weight of 12 silver coins = 420 g ⇒ The average weight for 20 coins = (160 + 420)/(8 + 12) ⇒ The average weight for 20 coins = 580/20 = 29 g ∴ The average weight is 29 g per coin for 20 coins.
Which of the phenomenon play an important role in preservation of jam?
FIRB method of planting is followed in which crop?
Laggards constitute ………………..% of total Indian Population.
The site specific crop management approach that applies agro-chemicals to the field in an economical and environment friendly manner is known as ____.
The marginal product of a factor input initially rises with its employment level, but after reaching a certain level of employment, it starts falling. T...
The toxin produced by Bacillus thuringensis interferes with which part of insect body?
A situation when the rainfall deficiency is 25% or more of long term average, it is classified as
The inability of a household or an individual to meet the minimum daily food requirements for a long period of time is known as
The age of the tree is determined by
When fruit develops from the mere stimulus of the pollination, but without fertilization it is known as_____
Relevant for Exams:
