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Patni Placement Papers- Free Download

1. What number must be added to 1/x to make it equal to x. Ans. (x2-1)x

2. Some pen bought something at loss for Rs 60.He then sold it the price of 81 and his profit was 20% of the loss.At what price did he buy the object. Ans. calculate. ans-77.50

6.one disk of 20cm radius, out of that 4 disk of 5cm are cut ,find diffrence of leftout and cut out area:ans-200pi

7.(X)+(1/x)=3 then (xsquare) + 1/(xsquare) = ??ANS-7

10.a box contain 4 small bos, each small box again contain 3 box,again these box contain 2 box . total how many boxes ANS-1+4+12+24=41

11. between 100 to 200 how many no are divisible by both 3 and 2and 100,200 are inclusive? ans-68

12. How many two digit no you make by 1,2,3,4,0 Ans=16 because 0 is not in the 10th place.

18. (25...) 32 and (25....)31 in both cases 6 in the last position. What should be in the blanks? Ans 6

19. In a GD there is no restriction in saying something between the participants. A, B, C, D, E be the participant. What's is probability to say B before A. i) 20%, ii) 40%, iii) 50%, iv) none of these. Ans. 50%.

20. You have only 1 kg weight. You have to weight 31kg. Min number of measurements you have to done. Ans. 5 as 1+2+4+8+16=31.

21. Min (a, b, c)=min of a, b, c Max (a, b, c,)=max of a, b, c then what is the value of MAX {min (2,5,7), max (-7, -2, -3), 3}. ans-3

22. The product of two consecutive odd no is -1, then what is the value of the sum of them. Ans. 0 as -1*1 becomes -1.

23. Few years ago on 31st January on her 26th birthday a lady laid a baby. Now what's the sum of their ages? i) 37, ii) 38, iii) 43, iv) 51. I am confused about the answer. It may be any even no. as (26+x)+x. So I think it are 38.

25. 81*82*83*84*85*86*87*89. What should be in the unit place in this product? Ans. It must be 0 as 5*2=10

26. In a company ones salary increases 6/5 times in every year. After 4 year of joining average salary is 1342. Then what's the starting salary of the company? A) 900, b) 1000, c) 1100, d) 1200. Ans.= 1000

27. Perimeter of an equilateral and isosceles is 45 and 40 respectively. At least one of the sides of isosceles is equal to the equilateral. What's the base of isosceles triangle? Ans. 10. As. 45/3=15. 15+15+10=40.

28. Two people P Q start a race in a circular track in opposite way different but constant speed. First they meet 900m cw from the starting pt. Then they meet 800m ccw from the starting pt. What's the circumference of the circle. ans-2600m

1.what is the angle between teo hands of a clock when time is 8-30 ans:75deg

2.a student is ranked 13th from right and 8th from left.how many are there(similer)-ans-20

9.man walks east & from turns to right & from to left &then 45degrees to right.in which direction he went ans:south east

12.a student got 70% in one subject,80% in other.to get overall 75% how much he should get in third subject.ans-75%

12.a news paper must have a.news b.advertizements 3.editor 4.date 5.paper

13.if clouds are air, air are water and so on where birds fly?ans-water

16.a man showed to a woman sitting in a pack & told to his friend.she is the daughter of my grand mother only son ans:sister 1. Average 3years 45,000, 1st 1.5 times, 2nd 2.5 times..> (Calculate in this way... (x+1.5x+2.5x)/3 = 45000 i.e 5x/3 =>45000 )

2. Three vehecle speed ratio 1:2:3 & time ratio 3:2:1...Distance ratio ??> (Ans: 3:4:3..

26. What is the value of p in the equation (15X2-pX+120)=0 if the one root of is must be the double of the other. Ans. May be 90 as the roots are 30,60.

1.a school has 4 maths 3 physics and 3 chemistry teachers each teacher can teach 2 subjects max what is he minimum number of teachers required ans-5

5.there is a circle of radius 5.what is the area of the biggest rectangle that can be cut out of this circle ans-50

6.in a chess board 2 squares are cut out leaving 61 squares if we place blocks each of length=lengthof 2 squares and width=width of 1 square how many blocks will be necessary ans-31

7.how many minimum number of weigh are required to weigh 1-40kg using a weighing pan ans-27,9,3,1

9.radius =3 of a sphere it is melted to form a cube. what is the ratio of the volume of cube to the volume of the sphere ans=1:1

11 there are 4 consonants 3 vowels how many 6 letter strings can u form with atleast one vowels in each ans-5040 (check

12. binary rep of .6875 ans-1011

5. There r 3 boys & 4 girls; Howmany ways they r arranged such that boys should be always together ??? a. 720

12. Two motor cycles A & B are started from one point at 4 Kmph & 6 Kmph; After 45 min B starts returning , at what time they will reach.... (Ans: 3.6 km nd .9 hr)

3. a+2b=6,ab=4 2/a + 1/b=? > ans : 3/2

12.cube is moulded as a sphere. find the ratio of> cube of surface area> of sphere to cube of surface area of cube. ans pi/6

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