3i-Infotech Placement Paper

1.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?

2. A student divided a number by 2/3 when he required to multiply by 3/2. Calculate the percentage of error in his result.

3. A dishonest shopkeeper professes to sell pulses at the cost price, but he uses a false weight of 950gm. for a kg.His gain is %.

4. A software engineer has the capability of thinking 100 lines of code in five minutes and can type 100 lines of code in 10 minutes. He takes a break for five minutes after every ten minutes. How many lines of codes will he complete typing after an hour?

5. A man was engaged on a job for 30 days on the condition that he would get a wage of Rs. 10 for the day he works, but he have to pay a fine of Rs. 2 for each day of his absence. If he gets Rs. 216 at the end, he was absent for work for ... days

6. A contractor agreeing to finish a work in 150 days, employed 75 men each working 8 hours daily. After 90 days, only 2/7 of the work was completed. Increasing the number of men by¬¬ ________ each working now for 10 hours daily, the work can be completed in time.

7. what is a percent of b divided by b percent of a?
a. a
b. b
c. 1
d. 10
d. 100

8. A man bought a horse and a cart. If he sold the horse at 10 % loss and the cart at 20 % gain, he would not lose anything; but if he sold the horse at 5% loss and the cart at 5% gain, he would lose Rs. 10 in the bargain. The amount paid by him was Rs.Â-¬¬¬_______ for the horse and Rs.________ for the cart

9. A tennis marker is trying to put together a team of four players for a tennis tournament out of seven available. males - a, b and c; females " m, n, o and p. All players are of equal ability and there must be at least two males in the team. For a team of four, all players must be able to play with each other under the following restrictions: b should not play with m, c should not play with p, and a should not play with o.

Which of the following statements must be false?

1. b and p cannot be selected together
2. c and o cannot be selected together
3. c and n cannot be selected together.

10. If 2x-y=4 then 6x-3y=?
a. 15
b. 12
c. 18
d. 10
Ans. b

11. If x=y=2z and xyz=256 then what is the value of x?

a. 12
b. 8
c. 16
d. 6
Ans. b
12. (1/10)18 - (1/10)20 = ?
a. 99/1020
b. 99/10
c. 0.9
d. none of these
Ans. a

13. Pipe A can fill in 20 minutes and Pipe B in 30 mins and Pipe C can empty the same in 40 mins.If all of them work together, find the time taken to fill the tank
a. 17 1/7 mins
b. 20 mins
c. 8 mins
d. none of these
Ans. a

14. Thirty men take 20 days to complete a job working 9 hours a day. How many hour a day should 40 men work to complete the job?

a. 8 hrs
b. 7 1/2 hrs
c. 7 hrs
d. 9 hrs
Ans. b

15. Find the smallest number in a GP whose sum is 38 and product 1728
a. 12
b. 20
c. 8
d. none of these
Ans. c
16. Pipe A can fill a tank in 30 mins and Pipe B can fill it in 28 mins.If 3/4th of the tank is filled by Pipe B alone and both are opened, how much time is required by both the pipes to fill the tank completely ?

17. If on an item a company gives 25% discount, they earn 25% profit. If they now give 10% discount then what is the profit percentage.

a. 40%
b. 55%
c. 35%
d. 30%
Ans. D

18. A certain number of men can finish a piece of work in 10 days. If however there were 10 men less it will take 10 days more for the work to be finished. How many men were there originally?

a. 110 men
b. 130 men
c. 100 men
d. none of these

19. In simple interest what sum amounts of Rs.1120/- in 4 years and Rs.1200/- in 5 years ?

a. Rs. 500
b. Rs. 600
c. Rs. 800
d. Rs. 900
Ans. c

20. If a sum of money compound annually amounts of thrice itself in 3 years. In how many years will it become 9 times itself.

a. 6
b. 8
c. 10
d. 12
Ans. a

21. Two trains move in the same direction at 50 kmph and 32 kmph respectively. A man in the slower train observes the 15 seconds elapse before the faster train completely passes by him. What is the length of faster train ?

a. 100m
b. 75m
c. 120m
d. 50m
Ans. b

22. How many mashes are there in 1 square meter of wire gauge if each mesh
is 8mm long and 5mm wide ?

a. 2500
b. 25000
c. 250
d. 250000
Ans. b

23. x% of y is y% of ?

a. x/y
b. 2y
c. x
d. can't be determined
Ans. C

24. The price of sugar increases by 20%, by what % should a housewife reduce the consumption of sugar so that expenditure on sugar can be same as before ?

a. 15%
b. 16.66%
c. 12%
d. 9%
Ans. b

25. A man spends half of his salary on household expenses, 1/4th for rent, 1/5th for travel expenses, the man deposits the rest in a bank. If his monthly deposits in the bank amount 50, what is his monthly salary ?

a. Rs.500
b. Rs.1500
c. Rs.1000
d. Rs.900
Ans. c