# Area and Goods Train

Topics: Area, Octagon, The Last Question Pages: 3 (771 words) Published: October 4, 2011
Paper : Syntel placement paper (Aptitude)

APTITUDE:

1.) Maximum numbers that can be formed using all the 4 digits 6 4 8 1 without repetition and which is divisible by 9.(Ans: none)

2.) Find the number of sides of a regular convex polygon whose angle is 40degrees.

3.) a+b+c=0, then roots of ax^2+bx+c=0 is

1.imagenary 2.real 3.coincidental 4.zero

4.) Difference b/w the compound interest and simple interest for Rs.2500 for 2 years is given. find the rate of interest.

5.) there was one more question on S.I and C.I

6.) The minimum number by which 60 is to be multiplied to generate a square. Ans: 15

7.) A monkey climbs 6 mts and falls 3mts in alternate minutes. Then time taken to climb a tree 60metres high?

a. 35 b.37 c.32 d.34 (answer is 37)

8.) A bucket contains z drops. and it leaks x drops in t secs.then the time required to empty the bucket (in minutes).

9.) 6 pipes fill or empty the cistern. find the number of emptying pipes if it takes 18hrs to fill and 18 hrs to empty.

10.) The largest no: which is a factor of 1080 and 729

11.) No: of spheres of radius 1 that can be got from sphere of radius.

12.)Travelling at 3/4th the speed a man is 20 minutes later then speed is?

13.) there are 6 keys and 6 locks. then number of combinations to be tried out to get the actual solution

14.) choosing 2 people out of 10 in how many combinations can a particular person (some name) be always included....

15.) from 6 white balls and 7 black balls probability that 2 balls drawn at random are of the same color?

16.) if a sales man gets successive gain of 15% and 20% then his actual gain? ans. 38

17.) a string of pearls such that 1/3 is lost and of that 1/4th is missing, remaining is 20 then actual number of pearls? ans. 40

18.) a man gets a gain of x%. but if he had sold at twice the cost price, what will be his gain?

19.) a clock was 7minutes behind the actual time on 3 p.m. on Wednesday and 8...