Quantitative Aptitude - Arithmetic Ability Questions

If 9/4th of 7/2 of a number is 126, then 7/2th of that number is _____.

A boy in a train notices that he can count 31 telephone posts in 60 seconds. the distance between two posts is 60 meters. Calculate the speed of the train?

Study the information carefully to answer the following questions: An urn contains 5 red, 3 green, 2 blue and 4 yellow marbles. If three marbles are picked at random, what is the probability that one is green and two are yellow?

To cover a distance of 90 km in 2.5 hours what should be the average speed of the car in meters/second?

Some carpenters promised to do a job in 15 days but 3 of them were absent and remaining did the job in 20 days. What was the original number of carpenters?

If θ be positive acute angle and 5cosθ + 12sinθ = 13, then the value of cosθ is

If 2x+2x=3,then the value of x3+1x3+2 is

The ratio of two numbers is 5 : 4. If the sum of both the numbers is 180, then what is the smaller number among both the numbers?