Hugo de Vries was a Dutch botanist who, at the turn of the 20th century, rediscovered Mendel's laws of genetics and introduced the concept of mutations. He is credited with the discovery of mutation based on his observations of the evening primrose plant.
From the salary of a software engineer, if 15% is used as house rent, 25% of the remaining is spent on household items, 25% of the remaining as income t...
Out of 520 students in school, 30% students like samosa only and 40% students like samosa and momos both. If 20% students don’t like any snacks then f...
In an examination in which full marks were 400. Harry got 20% more than Peter, Peter got 20% less than Tony. If Harry got 240 marks. What percentage of ...
A product was initially priced at 200. During a sale, the price was first decreased by 20%. Later, due to high demand, the sale price was further increa...
One fourth of one third of two fifth of a number is 15. What will be 40% of that number
...The population of the town is 270,000 4/9th of them are males and the rest are females. 50% males and 40% females are married. Find the percentage of th...
A contractor assigns 60% of his workers to a project. However, due to budget cuts, he reduces the workforce by 25%. If the initial workforce was 160 wor...
The price of a sweater is increased by 30% and then decreased by 20%. What is the net change in the price(in%)?
A spent 25% of his monthly income on study and 60% of the remaining on rent. If amount spent on rent is Rs. 945, then find the amount spent on study
A gave 60% of the amount he had to B. B gave 3/5th of what he received from A to C. After paying Rs. 220 to the taxi driver out of the amount he gets fr...
