Test Preparation on Aptitude Test Preparation Part 48
It was calculated that 75 men could complete a piece of work in 20 days. When work was scheduled to commence, it was found necessary to send 25 men to another project. How much longer will it take to complete the work?
A train 100 m long is running at the speed of 30 km / hr, find the time taken by it to pass a man standing near the railway line ?
Ayeshaâ²s father was 38 years of age when she was born while her mother was 36 years old when her brother four years younger to her was born. What is the difference between the ages of her parents?
Find the average of all prime numbers between 30 and 50?
Sachin purchase 20 dozens of toys at the rate of Rs. 375 per dozen. He sold each one of them at the rate of Rs. 33. What was his percentage profit?