Way 2 Freshers

21. A dishonest shopkeeper uses a 900 gram weight instead of a 1kilogram weight. Find his profit percent if he sells per kilogram at the same price as he buys a kilogram.

A.10% B.11%
C.10.11% D.11.11%

Answer: D

22. Oranges are bought at 12 for a rupee and are sold at 10 for
a rupee. Find the percentage profit or loss.

A.20% B.16.66%
C.5% D.none

Answer: A

23. The SI on a sum of money is 25% of the principal, and the
rate per annum is equal to the number of years. Find the rate
percent.

A. 4.5% B. 6%
C. 5% D. 8%

Answer: C

24. A sum of money doubles itself in 12 years. Find the rate
percentage per annum.

A. 12.5 % B. 8.33%
C. 10% D. 7.51%

Answer: B

25. A certain sum of money triples itself in 8 years. In how many
years it will be five times

A. 22 years B. 16 years
C. 20 years D. 24 years

Answer: B

26. The population of Jhumri Tilaiya increases by 10% in the first year, it increases by 20% in the second year and due to mass exodus, it decreases by 5% in the third year. What will be its population after 3 years, if today it is 200,000?

A. 11,540 B. 31,860
C.12,860 D. 12.540

Answer: D

27. In a class composed of x girls and y boys what part of the
class is composed of girls

A.y/(x + y) B.x/xy
C.x/(x + y) D.y/xy

Ans.C

28.What is the maximum number of half-pint bottles of cream that can be filled with a 4-gallon can of cream (2 pt.=1 qt. and 4 qt.=1 gal)

A.16 B.24
C.30 D.64

Ans.D

29.If the operation,^ is defined by the equation x ^ y = 2x + y,
what is the value of a in 2 ^ a = a ^ 3

A.0 B.1
C.-1 D.4

Ans.B

30.A coffee shop blends 2 kinds of coffee,putting in 2 parts of a 33p. a gm. grade to 1 part of a 24p. a gm.If the mixture is changed to 1 part of the 33p. a gm. to 2 parts of the less expensive grade,how much will the shop save in blending 100 gms.

A.Rs.90 B.Rs.1.00
C.Rs.3.00 D.Rs.8.00

Ans.C

31.There are 200 questions on a 3 hr examination.Among these
questions are 50 mathematics problems.It is suggested that twice
as much time be spent on each maths problem as for each other
question.How many minutes should be spent on mathematics problems

A.36 B.72
C.60 D.100

Ans.B

32.In a group of 15,7 have studied Latin, 8 have studied Greek,
and 3 have not studied either.How many of these studied both
Latin and Greek

A.0 B.3
C.4 D.5

Ans.B

33.If 13 = 13w/(1-w) ,then (2w)2 =

A.1/4 B.1/2
C.1 D.2

Ans.C

34. If a and b are positive integers and (a-b)/3.5 = 4/7, then

A. b < a B. b > a
C. b = a D. b >= a

Ans. A

35. In June a baseball team that played 60 games had won 30% of its game played. After a phenomenal winning streak this team
raised its average to 50% .How many games must the team have won
in a row to attain this average?

A. 12 B. 20
C. 24 D. 3

Ans. C

36. M men agree to purchase a gift for Rs. D. If three men drop
out how much more will each have to contribute towards the
purchase of the gift/

A. D/(M-3) B. MD/3
C. M/(D-3) D. 3D/(M2-3M)

Ans. D

37. A company contracts to paint 3 houses. Mr. Brown can paint a
house in 6 days while Mr. Black would take 8 days and Mr. Blue
12 days. After 8 days Mr. Brown goes on vacation and Mr. Black
begins to work for a period of 6 days. How many days will it
take Mr. Blue to complete the contract?

A. 7 B. 8
C. 11 D. 12

Ans.C

38. 2 hours after a freight train leaves Delhi a passenger train
leaves the same station travelling in the same direction at an
average speed of 16 km/hr. After travelling 4 hrs the passenger
train overtakes the freight train. The average speed of the freight
train was?

A. 30 B. 40
C.58 D. 60

Ans. B

39. If 9x-3y=12 and 3x-5y=7 then 6x-2y = ?

A.-5 B. 4
C. 2 D. 8

Ans. D

40. A cylinder is 6 cms in diameter and 6 cms in height. If spheres
of the same size are made from the material obtained, what is the
diameter of each sphere?

A. 5 cms B. 2 cms
C. 3 cms D. 4 cms

Ans C