Quantitative Aptitude - Arithmetic Ability Questions

In what ratio must a mixture of 20% milk strength be mixed with that of 60% milk strength so as to get a new mixture of 25% milk strength ?

30 women do half of the total work in 30 days. How many more women will be required to complete the remaining work in 10 days?

By selling cloth at Rs. 9 per metre , a shopkeeper loses 10% . Find the rate at which it should be sold so as to earn profit of 15%

If the hour hand of a clock moves by 18 deg then by how many degrees does the minute hand move during the same time?

What is the least number of complete years in which a sum of money put out at 40% annual compound interest will be more than trebled?

In the given figure, E and F are the centers of two identical circles. What is the ratio of area of triangle AOB to the area of triangle DOC?

The average of three consecutive odd numbers is 52 more than 1/3rd of the largest of these numbers. What is the smallest of these numbers?

A company, at the time of inflation reduced the staff in the ratio 5 : 3 and average salary per employee is increased in the ratio 7 : 8. By doing so, the company saved Rs 55000. What was the initial expenditure (in Rs) of company?