Question
Which of the following international scientific
organisations approves the names of elements, symbols and unit?Solution
The International Union of Pure and Applied Chemistry (IUPAC): It is the world authority on chemical nomenclature and terminology, including the naming of new elements in the periodic table; on standardized methods for measurement; and on atomic weights, and many other critically evaluated data. Dr Lynn M. Soby is the Executive Director of IUPAC.
Simplify: 3/4 + 5/6
2.666 …+ 2.77… in fraction form is:
If numerator of a fraction is decreased by 30% and the denominator of the same fraction is increased by 40%, then what fraction of the old is the new fr...
Evaluate: (3/4) of 2.4 + (1.5 ÷ 0.5) − 0.8
A man distributed some candies to his three sons A, B and C. A, being the eldest got two times the number of candies that C got while A and B together h...
There is a fraction whose denominator is 5 more than its numerator. If the numerator is increased by 10 and denominator is decreased by 4, the fraction ...
The top part (numerator) of a fraction is 4 more than three times the bottom part (denominator). If we reduce the numerator by 15 and increase the denom...
Which of the following fractions lies between 3/7 and 8/9?
- Find the fraction which is greater than (5/7) but less than (9/7).
