Rani’s weight is 25% that of Meena’s and 40% that of Tara’s. What percentage of Tara’s weight is Meena’s weight ?

Protoplasm forms percentage of total weight of the body

Rakesh’s income is 25% more than that of rohan. What percent is Rohan’s income less than rakesh’s income?

Jack's weight first increased by 20% and then his new weight decreased by 25%. His final weight is what percent of his beginning weight?

Shikha’s income is 60% more than that of Shalu. What percent is Shalu’s income less than shikha’s?

A solution of KCl has a density of 1.69 g mL^(-1) and is 67% by weight. Find the denisty of the solution if it is diluted so that the percentage by weight of KCl in the diluted solution is 30%

Air contains 23 % oxygen and 77 % nitrogen by weight. The percentage of O_(2) by volume is

Kris - P cereal is 10% sugar by weight, whereas healthier but less delicious Bran - O cereal is 2% sugar by weight. To make a delicious and healthy mixture that is 4% sugar, what should be the ratio of Kris - P cereal to Bran - O cereal, by weight?

Atomic weight of chlorine is 35.5 . It has two isotopes of atomic weight 35 and 37 . What is the percentage of the heavier isotope in the sample ?

Atomic weight of chlorine is 35.5 . It has two isotopes of atomic weight 35 and 37 . What is the percentage of the heavier isotope in the sample ?

Aman’s income is 20% less than that of Anil. How much percent is Anil’s income more than Aman’s income?