Quantitative Aptitude - Arithmetic Ability Questions

A man makes four trips of equal distances. His speed on first trip was 60 km/hr and in each subsequent trip his speed was half of the previous trip. What is the average speed (in km/hr) of the man in these four trips?

A can do 50% of the job in 16 days, B can do 1/4th of the job in 24 days. In how many days can they do 3/4th of the job working together?

The ratio of present ages of R and S is 11:17. Before 11 years the ratio of their ages was 11:20. What is R's present age (in years)?

Weights of two friends A and B are in the ratio of 7 : 8. A’s weight increases by 10% and the total weight of A and B increase by 20%. What is the percentageincrease in the B’s weight?

What will be the acute angle between the hour-hand and the minute-hand at 4:37 p.m.?

How many digits will be there to the right of the decimal point in the product of 85.44 and .08455 ?

Mohan invested Rs. 100000 in a garment business. After few months, Sohan joined him with Rs. 40000. At the end of the year, the total profit was divided between them in ratio 3 : 1. After how many months did Sohan join the business?

Find the compound amount if $1200 is deposited at 8% interest for 11 years if interest is compounded continuously