Question
In which year was the profit as percentage of income is
the highest? Read the following graph carefully and answer the following questions.Solution
Profit percentage of income in 2012 = [(5200-5000)/5200] × 100 = 3.846% Profit percentage of income in 2013 = [(6500-5500)/6500] × 100 = 15.38% Profit percentage of income in 2014 = ([7200-6000)/7200] × 100 = 16.67% Profit percentage of income in 2015 = [(8000-7500)/8000] × 100 = 6.25% Profit percentage of income in 2016 = [(9000-8700)/9000] × 100 = 3.33%
The pH of a neutral solution is —
Formation of ozone hole is maximum over
The important ore of aluminium is-
Manganite is an ore/mineral of
The acid used in lead storage cells is-
______is the process in which acids and bases react to form salts and water
The pH of a neutral solution is —Â
One of the constituents of tear gas is
A polymeric substance used to make parachute is
 Alum stops bleeding in minor cuts because of
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