Quantitative Aptitude - Arithmetic Ability Questions

A carpenter can build a cupboard in 64 hours. After 16 hours he takes a break. What fraction of the cupboard is yet to be built?

A person sells wheat at a profit of 30%. If he reduces its selling price by Rs 60, then he suffers a loss of 10%. What was the initial selling price (in Rs)of the wheat?

In the following question, select the odd word pair from the given alternatives.

If 1/(tanA + cotA) = x, then value of x is

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?

If x + y = 5, x3 + y3 = 35, then what is the positive difference between x and y?

If a person walks at 12 km/hr instead of 10 km/hr, he would have walked 1 km more in the same time. What is the actual distance (in kms) travelled by him at 10 km/hr in the same time?

A and B can complete a task in 12 days. However, A had to leave a few days before the task was completed and hence it took 16 days in all to complete the task. If A alone could complete the work in 21 days, how many days before the work getting over did A leave?