Quantitative Aptitude: Mini Practice Set

Quantitative Aptitude Daily Practice Set

Q.1 There are 200 questions in a Examination Paper, each carrying 2 marks. But there is a negative marking, 1 mark is deducted for each question answered incorrectly. Bimal answering all the question and get 70 marks. The no of questions correctly answered by him is

a). 80
b). 90

c). 75

d). 100

e).None of these

Q.2 Ajoy can do a piece of work in 20 days and Bitan can do the same work in 40 days. With the help of Chouhan, they finish the work in 10 days. How many days will it take for Chouhan to finish the work?

a). 20 days

b). 30 days

c). 40 days

d).10 days

e). None of these.

Q3. In a box of marbles, there are five less white marbles than the red ones and three more white marbles than the green ones. If there are a total of 30 white marbles, how many marbles are there in the box?

a). 92

b). 86
c). 88
d). 90
e) None of these.

Q4. A oil tank can be filled up by two pipes in 20 minutes and 30 minutes respectively. They were started together, but due to some technical fault, the 1st pipe stopped after some time and 2nd pipe worked alone for the last 10 minutes. How long did they work together?
a). 8 minutes
b). 4 minutes
c). 12 minutes
d) 7 minutes
e) None of these.

Q.5 Simple interest on Rs. 97500 at 8% per annum for 146 days is
a). 3200
b). 4120
c). 4580
d). 3120
e) None of these.

Q.6 A train passes two persons who are walking in the opposite direction of the train at the rate of 20 m/s and 40 m/s respectively in 12 s and 10 s respectively. Find the length of the train?
a). 1100 m
b). 1350 m
c). 1200 m
d). 1400 m
e) None of these.

Q.7 Sayan borrowed Rs. 1600 at 20% rate of interest. He repaid Rs. 800 at the end of the 1st year. What is the amount required to pay at the end of second year to complete his loan which calculated at simple interest?

a).Rs. 1426
b). Rs. 1344
c).Rs. 1244
d). Rs. 1326
e) None of these.

Q.8. A shopkeeper marksup his good by 75% and gives discount of 20%. Besides it he weights 10% less amount, while selling his goods. What is the net profit of the seller?

a). 50%
b). 59.50%
c). 55.55%
d).53.33%
e). None of these.

Q.9. Cost of two Car is same. One is sold at a profit of 30 % and the other for Rs. 9600 more than the first. If the net profit is 40%. Find the cost price of each car?

a).Rs. 48000
b). Rs. 46500
c).Rs. 48050
d). Rs. 46005
e). None of these.

Q.10 Mohan and Suresh can do a peace of work in 10 days and 15 days respectively. They begin together but 5 days before the completion of the work, Suresh leaves off. Find the total number of days for the work to be completed.

a).3 days
b). 6days
c).7days
d).8days
e) none of these

Directions: (Q 11 – Q 15). Ghat should come in place of question mark (?) in the following series.

Q.11       344        2745        9262        ?          42876       74089 

a).21953
b). 22568
c). 28642
d).20950
e) None of these.

Q.12.      235        266        ?         334       371        410
a).299
b). 315
c).230
d) 340
e) None of these.

Q.13.     96       ?        48       72        144         350
a).56
b). 48
c).60
d). 44
e). None of these

Q.14.     17      90         ?          2280         11405          57030
a). 558
b). 450
c). 540
d).455
e) None of these

Q.15.     35         69        137        ?         545        1089
a).250
b). 470
c). 273
d). can’t be determined
e) None of these

Solution

Ans.1 –b
Let, correctly answered X no Questions.
Hints:
2X – (200-X)*1 = 70
X=90.

Ans.2 – c
Let Chouhan can do the work in X days.
Hints:
1/20 + 1/40 + 1/X = 1/10

Ans.3 – d
Hints: Red=White + 5
Green= White - 3

Ans.4 –a
Hints: 2nd pipe 10 minutes work=10/30=1/3
They fill together (1-1/3) =2/3

Ans.5 – d
Hints:
(97500 x 8 x 146)/(100 x 365)
Ans.6 – c
Let the speed of the train=x m/s.
Hints:
(x + 20) * 12= (x + 40) * 10
Ans.7 – b
Hints: after one year left payment=((1600+((1600 *20 *1)/100) -800) =1120
After 2nd year he should pay =1120+((1120 * 20 * 1)/100) =1344.

Ans.8 – c
Hints: he sells the product equals to=Rs.90
Again MP= Rs. 175
SP= Rs. 140
Thus, the profit percentage = (140-90)/90=55.55 (Approx).

Ans.9 – a).
Let the CP of each car be Rs. x.
2(1.3x) + 9600=2(1.4x)
X=48000
Ans.10 – d
Hints: T=((b + x)/(a + b)) * a
Here a=10 days, b= 15 days, x=5, T=?

Ans.11 –a
73+1=344
143+1=2745
213+1=9262
283+1=21953
And so on

Ans.12 –a
152 + 10 = 235
162 + 10= 266
172 + 10= 299
182 + 10 = 334
And so on

Ans.13 –b
2nd term= 98 x 0.5
3rd term= 48 x 1
4th term= 48 x 1.5
5th term = 72 x 2
6th term = 72 x 2.5
453+90=543

Ans.14 –d
Hints:
Missing term=(5 x Previous element) + 5

Ans. 15 – c.
Hints:
Missing term= (2 x previous element) -1