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Hexaware Placement Paper

27. Initially two cups of same volume are present with milk filled upto 3/5th and 4/5th of their volumes. Water is then filled. Then two mixtures are mixed. Find the ratio of water to milk in the mixture.

Ans: 3 : 7

28. 16 grams of radioactive material decays into 8 grams in 10 years. How long will it take to decay to 1 gram?

Ans: 70 yrs

29. In a rectangle the length is increased by of the original length. By what proportion should the width be reduced so that the area will be the same?

Ans: 33

30. Find the nth number in the series is 1, -3, 5, -7.___

Ans: (-1)*(2n-1)

31. If a square is formed by the diagonal of the square as an edge, what is the ratio between the area?

Ans: 2

32. The perimeter of a rhombus is 52 units. One of its diagonal is 24 units. What is its second diagonals length?

Ans: 10

33. A cubical rectangular bar has the dimensions with the ratio 5 : 4 : 3. Its volume is 7500. What is the surface area of the bar?

Ans: 2350

34. In a class total 34 students, 16 are have a brother, 15 are have sisters, 9 students don't have either brothers or sisters. Find the number of students having both brother and sisters.

Ans: 6

35. A batsman scored 18 runs in his 18th innings and that makes his average 18. Find his average upto the 17th innings?

Ans: 19

36. 6 women can do 75 units of work in 8 days by working 5 hrs/day. In how many days can 4 women do 30 units of work by working 8 hrs/day?

37. A persons salary is decreased by steps of 20%, 15% and 10%. What will be the percentage decrease, if the salary is decreased in a single shot?

38. The ratio of the length : breadth : height of a cuboid is 5 : 4: 3, and the volume is 7500. What will be its surface area?

39. If the circumference of a circle is 100 units, Then what will the length of the arc described by an angle of 20 degree?

40. 3 Persons started placementpapers with a capital of Rs.3000. B invest Rs.600 less than A, C invest Rs.300 less than B. Then what is the share amount of B in a profit of Rs.886?

Directions for 41-50: Which of the following is the correct spelling for the word.

41. Supercede and Supersede

42. Recommend and Reccomend

43. Superitendent and Superitendant

44. Separate and Seperate

45. Succeed and Suceed

46. Coolly and Cooly

47. Despair and Dispair

48. Ridiculous and Rediculous

49. Indespensible and Indepensable

50. Tranquility or Tranquillity

Directions: For the given sample program give the output of the program.   30 Marks

main()
{
int a[]={ 2,4,6,8,10 };
int i;
change(a,5);
for( i = 0; i <= 4; i++)
printf("\n %d",a[i]);
}
change( int *b, int n){
int i;
for( i = 0; i < n; i++)
*(b+i) = *(b+i) + 5;
}

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