1. If two numbers are respectively 30% and 50% of a third number, then the first number is what percentage of the second number?
2. If 40 per cent of the store’s customers decide to purchase items, and of those customers 15 percent purchase hats, and of those 50% decide to purchase red hats then what per cent of the customers who purchased items bought red hats?
3. Ram invests 55% in machinery, 30% in raw material and still has Rs.1,500 cash with him. Find his total investment?
4. In a college election between two rivals, a candidate who got 40% of the total votes polled was defeated by his rival by 200 votes. The total number of votes polled was
5. A’s salary is 25% of B’s salary. B’s salary is 25% of C’s salary. What percent is salary of C more than salary of A?
6. In a certain school, 20% of students are below 8 years of age. The number of students above 8 years of age is 66 2/3% of the number of students of 8 years age which is 96. What is the total number of students in the school?
7. If the length, breadth and height of a cuboid is increased by 10%, 20%, 30% respectively. Then find the percentage increase in the volume of the cuboid?
8. By selling 88 meters of cloth a man loses the selling price of 22 meters. Find the loss per cent.
9. A sells a tube to B at a profit of 25% and B sells it to C at profit of 20%. If C pays Rs 450 for it, what did A pay for it?
10. A, B and C started a business investing Rs 9000, 12000, 10000 respectively. A kept the money for whole year. B took his entire amount after 3 months and C with drew 3000 Rs after 3 months. If after a year, the total profit was Rs 7,900, what was A’s share in it?