In each population, 30% of the population is affected with asthma out of which 90% of asthma patients used to work in flour mills. If 30% of the total p...
In a class of 40 students and 8 teachers, each student got gifts that were 20% of total number of students and each teacher got gifts that were 15% of t...
A person spent 23% of his monthly income on food and 44% of the remaining on rent. If amount spent on rent is Rs 1694, then find the amount spent on food.
In an election two candidates participated. 10% voters did not vote. 11(1/9) % votes declared invalid and the winner got 50% of the valid votes. If he w...
In a village council election between two contenders 'R' and 'S', 15% of total votes were declared invalid. 'R' received 58% of the valid votes. If 'S' ...
- In a qualifying test, the passing marks are 60%. Marks obtained by ‘G’ are 5% less than passing marks, and ‘H’ scores 28% marks less than G. What p...
A bowl contains a colony of bacteria. Every hour, the bacteria population doubles, but immediately after doubling, a virus kills 40% of the population. ...
A person spent 34% of his monthly income on food and 33% of the remaining on rent. If amount spent on rent is Rs 1089, then find the amount spent on food.
There are 500 students in a college. 45% of them are boys. Among the boys and girls, 35% and 50% respectively are interested in music. How many students...
Teena decided to donate 10% of her salary as a charity. On the day of donation she changed her mind and donated Rs 3680 which was 92...