Quantitative Aptitude - Arithmetic Ability Questions

An angle is four times its complementary angle. What is the measure of the angle?

Two numbers are in the ratio 4:5 and their HCF is 13. Their LCM is

In the following question, select the odd letters from the given alternatives.

Which of the following numbers is not a prime number?

P and Q together can make a door in 12 days. They started the work together but after 8 days P left the work. The remaining work is completed by Q alone in 7 more days. In how many days can P alone complete the entire work?

A, B and C can do a job working alone in 12, 16 and 24 days respectively. In how many days they can do the job if they worked together?

Raghu's tanker can fill a cistern in 4 hours. After half the cistern is filled, three more similar tankers are opened. What is the total time taken to fillthe cistern completely?

The difference between Peter and Preeti's ages is 5 years. When they married each other 35 years ago, 4 times Peter's age was the same as 5 times the age of Preeti. What is the current sum of their ages?