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Sunday, January 17, 2010

Aptitude Questions For Students

1. A man of letters
2. A man of straw
3. To be in the air
4. To bite the dust
5. Man of few words
6. Penny wise pound foolish
7. Find the reminder when 333666777888999 divided by 3 or 9 or 11 ?
8. Which is the biggest perfect square amongst the following
15129, 12348, 23716, 20736
9. The greatest area of the following
(a) The radius of circle is 4
(b) The square of diagonal is 4
(c) The square of side is 4
10. The area of the maximum size of the circle described from the 10 square inch square?
11. In the series 0, 3, 8, 15,__ What is the next number?
12. X < 0, Y <> 0 then what is the possibility that the result is always positive?
Ans. xy
13. 3 red and 4 blue balls are in a basket. A member of PPTeam is drawing balls from the basket. What is the probablity
of getting the 3 red balls simultaneously?
14. Let ax2 + bx + c = 0
If the sum of the equal roots is equal to the product of the same roots.Then which of the following hold true
(a) a + b = 0
(b) a = 0
(c) c = 0
(d) a + c = 0

15. A fold density is 19 times greater than the water and for copper it is 9 times.At what ratio you can mix gold and copper to get 15 times denser than water.
Ans. 3 : 2
16. Find the value of (1.99)2 Ans. 3.9601
17. There is a room with 6' x 8'. A 1' tile is fixed along the 4 walls in one row. How many 1" tiles require to finish the work. Ans. 24
18. 2 persons can finish a job in 8 days. First person alone can finish the work in 24 days. How many daysdoes the second person take to finish the job? Ans. 12 days
19. A 4" cube is painted in all its faces and then it is cut down into 1" blocks. How many 1" blocks are there even without a single face being painted? Ans. 8
20. A cylinder is inserted in a sphere d/h = 2/3. Find the surface area of the cylinder ?
21. In a car wheel, two spokes cover 15 degree. Then for the entire car,how many spokes are there? Ans. 24.
22. What is the angle of degree suspended when two hands of clock showing the time 2.30. Ans. 105 degrees
23. The age difference between two brothers is 3 years. After 6 years the ratio between the age is 9:8 What are their ages? Ans. 21 and 18
24. A person's salary is getting reduced by 20%. What percentage should be added to get back his original salary? Ans. 25%
25. Two persons start at the same point, walk in opposite directions with 5km/hr and 5.5km/hr respectively.
What is the distance separated after 2 and half hrs? Ans. 26.25 (approx)
26. A person starts walking at a speed of 5km/hr through half the distance, rest of the distance he covers with a speed 4km/hr. Total time of travel is 9 hours. What is the maximum distance he can cover? Ans. 40km.
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 5hrs/day. In how many days can 4 women do 30 units of work by working 8hrs/day ?
37. A persons salary iis decreased by steps of 20%, 15% and 10%. What will be the percentage decrease, if thesalary 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 ?

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