Serco Aptitude Questions

                                                   Serco Aptitude Questions

1. I am proceeding towards North. I take a turn to my right. After some time I take a turn to my left and again to my left. Then I go to my right. After some distance I again turn towards my right. The direction in which I am moving now
1) East 
(2) West 
(3) North 
(4) South

2. In a class, 6 students can speak gujarati, 15 can speak Hindi and 6 can speak Marathi. If two students can speak two languages and one student can speak all the three languages, then how many students are there in the class?
1) 21 
(2)22 
(3) 23 
(4) 24

3.If 'A' runs faster than ?E? but not as fast as 'D' and 'D' runs faster than 'C' but not as fast as' ?B?, then the person who runs the fastest is
(1) A 
(2) B 
(3) C 
(4)

4. Number of digits with a 2 in them between 100 and 400?
Ans : 138

5. Ram gets 148 marks for 20 questions. +10 for correct. -3 for wrong. How many correct answers?
Ans : 16

6. Ganesh and Shankar travel abroad and take more luggage than the airlines allow. They have to pay extra money for it. They carry 52 kgs together and pay $60 and $100 respectively. Now, if the same luggage was carried by only Ganesh it would cost him $340. If the airlines charges only at one rate for extra luggage what is the maximum luggage that a person can carry without paying extra?
Ans : 18 kgs

7. Out of the following numbers which is the greatest number when 7 times that number is < 100
1) 12 
2) 13 
3) 15 
4) 14
Ans : 14

8. 2/3 of people read newspaper A , 3/4 read newspaper B.if 38 read both and 8 didn't read any of the 2.how many read A?
ans) 48

9. Bactria double every 3 mins. It is N in 1 hour, when was it N/4?
Ans : 54 minutes.

10. A plane goes from Chicago to Columbus and then comes back. It takes the same time to travel in either ways. It leave Chicago early in the morning 0644 LOCAL TIME and reaches the destination Columbus at 0849 LOCAL TIME. In the same evening it leave Columbus at 1625 hrs LOCAL TIME and reaches the destination at 1638 LOCAL TIME. Find the time that the plane takes to travel either way?
Ans: 69 mins