Placement Papers - TCS

Aptitude:

1. George can do a piece of work in 8 hours. Paul can do the same work in 10 hours, Hari can do the same work in 12 hours.  George, Paul and Hari start the same work at 9 am, while George stops at 11 am, the remaining two complete the work. What time will the work complete?

a) 11.30 am.
b) 12 noon.
c) 12.30 pm.
d) 1 pm.

2. Jack buys 18 sharpeners(white and brown) for Rs.100. If he pays one rupee more for each white than brown sharpeners. How many sharpeners did he buy? no of brown sharpeners?

3. A number when divided successively by 4 and 5 leaves remainder 1 and 4 respectively. When it is successively divided by 5 and 4, then the respective remainders will be;

4. There are 5 men and 11 women. In how many ways one can select a group of 6 with at-least 3 men?

5. 100 students appeared in 2 tests.60 students passed 1st test. 40 students passed in the 2nd test. 20 students passed in both 1 and 2 tests. what is the probability of the students who failed in both tests?

6. A man buys a car for Rs 40000. Every year it depreciates by 3/4 th. What is its cost after 3 years?

7. Jack and Paul are running 1000m. Jack runs 1.5Km/hr faster than Paul but also finishes the race 1.5 sec earlier. What is the spped of Jack??(not remembering the values but something like this)

8. March 11, 2003 is a Tuesday. What will be the day on which march 11 2004 comes??

9. P is 60% of Q, Q is 40% of N, N is 30%of R. What is R/P?

10. 2 Problems on average..

11. Mother,her daughter and her grand child weighs 120 kg. daughter and her daughter(child) weighs 60 kg. child is 1/5th of her grand mother. What is the age of the daughter?