Online Aptitude Test For Tcs

1. A camp has provisions to last for 6 days for 224 cadets. How many cadets must be sent away for the provisions to last for 7 days?

 

2.In a race the speeds of A and B are in ratio of 3:4. A takes 30 min more than B to reach the target. Time taken by A to reach target is  

3.A father’s age is 4 times the age of his elder son and 5 times the age of his younger son. When the elder son lived to three times his present age, then father’s age will exceed his younger son’s age by 3 yrs. What is the age of the father?

4.Two pipes can fill a tank in 4 hr and 5 hr respectively. If they are turned on alternatively for 1 hr each, the tank will be filled in

5.If a train running at 72 kmph crosses a tree in 7 s its length is  

6.In an apartment exactly 1/3^rd of flats have two bedrooms and exactly 1/7^th of flats have three bedrooms. How many flats could be there?

7.The sum of n different positive integers is less than 100. What is the maximum possible value of n?

8.How many lead ball each of radius 1 cm can make a sphere of radius 8 cm?

9.1, 4, 2, 8, 6, 24, 22, 88, ___

10.A class of 356 votes has to choose the president. With 5 candidates seeking office, what is the least number of votes a successful candidate could receive to win?