APTITUDE QUIZ
1.The average age of a man and his son is 45 years. The ratio of their ages is 5 : 1. What is the difference between the ages of the man and his son?
a)40 years
b)60 years
c)55 years
d)45 years
e)None of these
Ans.b)
2.The difference between 41% of a number and 15% of the same number is 390. What is 33% of the number?
a)360
b)495
c)490
d)150
e)395
Ans.b)
3.The inner diameter of a well is 18meters. If the well is 28 metres deep then what is its volume?
a)7218 cu m
b)7282 cu m
c)7128 cu m
d)7028 cu
e)None of these
Ans.c)
4.If a commission of 10% is given on MP of book ,the publisher gains 20% if the commission is increase to 15% the gain % is ?
- a) 40/3
- b) 10
- c) 20
- d) 15
- e) None of these
Ans.a)
5.A takes 2 hr more than B to walk D km .if A double his speed than he can make it in 1 hr less than B. how much time does B require for walking D km?
a)4 hr
b)1 hr
c)2.5 hr
d)1.5hr
e)3hr
Ans.a)
6.The circumferences two concentric circles are 186m and 142m. What is difference between their radii?
a)7m
b)10m
c)11m
d)8m
e)14m
Ans.a)
7.In a class of 45 students and 8 teachers, each student got sweets that are 20% of the total number of students and each teacher got sweets that are 40% of the total number of students. How many sweets were there?
a)484
b)549
c)600
d)449
e)550
Ans.b)
8.There are two examinations rooms A and B. If 10 students are sent from A to B, then the number of students in each room is the same. If 20 candidates are sent from B to A, then the number of students in A is double the number of students in B. The number of students in room A is:
a).20
b).80
c)100
d).200
- e) None of these
Ans.c)
9.A.train covers a distance of 880 km in 16 hours. What is the average speed of the car, if the speed of the car is 30% less than the speed of the train?
a)71.5 kmph
b)60 kmph
c)38.5 kmph
d)40 kmph
e)37.5 kmph
Ans.c)
10.A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done in 23 days?
- a) 11 days
- b) 13 days
- c) 20 days
- d) 15 days
- e) None of these
Ans.b)
11.A does half as much work as B in three-fourth of the time. If together they take 18 days to
complete the work, how much time shall B take to do it?
- a) 30 days
- b) 40 days
- c) 15 days
d)24 days
- e) None of these
Ans.a)
Direction (12-13):Find the approximate value should come in the question mark ?
- 12591/39.8+933/13-12.86*14.2+135=?
- a) 340
- b) 330
- c) 325
d)350
e)355
Ans.a)
- 33% of 1235+917/12-129% of 765+682=?
- a) 160
- b) 180
- c) 200
- d) 210
e)225
Ans.b)
14.In simultaneous throw of two coins,the probability of getting at least one head is:
- a) 1/2
- b) 2/3
- c) 3/4
- d) 1/3
e)None of these
Ans.c)
15.A bag contains 6 black balls and 8 white balls. one ball is drawn at random.what is the probability that the ball drawn is white:
- a) 4/7
- b) 3/4
- c) 4/5
d)1/8
e)None of these
Ans.a)
(16).A school has enough food for 400 children for 12 days. How long will the food last if 80 more children join them?
A.7 days
B.8 days
C.9 days
D.10 days
ANS.D
(17).Water is filled in a cylindrical vessel in such a way that its volume doubles after every five minutes. If it takes 30 minutes for the vessel to be full, then the vessel will be one fourth full in
A.20 minutes
B.25 minutes
C.15 minutes
D.10 minutes
ANS.A
(18).At what rate of simple interest per annum an amount will be doubled in 10 years?
A.10%
B.7.5%
C.15%
D.16%
ANS.A
(19).A person lost 10% when he sold goods at Rs.153. For how much should he sell them to gain 20%?
A.Rs.240
B.Rs.204
C.Rs.250
D.Rs.232
ANS.B
(20).If 30% of a number is 12.6, find the number?
A.45
B.38
C.40
D.42
ANS.D
