Online Aptitude Test - Aptitude Test - Random



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Instruction:

  • This is a FREE online test. DO NOT pay money to anyone to attend this test.
  • Total number of questions : 20.
  • Time alloted : 30 minutes.
  • Each question carry 1 mark, no negative marks.
  • DO NOT refresh the page.
  • All the best :-).


1.

By investing in 16% stock at 64, one earns Rs. 1500. The investment made is:

A.
Rs. 5640
B.
Rs. 5760
C.
Rs. 7500
D.
Rs. 9600

Your Answer: Option (Not Answered)

Correct Answer: Option B

Explanation:

To earn Rs. 50 , investment = Rs. 64.
3

To earn Rs. 1500, investment = Rs. 64 x 3 x 1500 = Rs. 5760.
50

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2.

Two goods train each 500 m long, are running in opposite directions on parallel tracks. Their speeds are 45 km/hr and 30 km/hr respectively. Find the time taken by the slower train to pass the driver of the faster one.

A.
12 sec
B.
24 sec
C.
48 sec
D.
60 sec

Your Answer: Option (Not Answered)

Correct Answer: Option B

Explanation:

Relative speed = = (45 + 30) km/hr
= ( 75 x 5 ( m/sec
18
= ( 125 ( m/sec.
6

We have to find the time taken by the slower train to pass the DRIVER of the faster train and not the complete train.

So, distance covered = Length of the slower train.

Therefore, Distance covered = 500 m.

Therefore Required time = ( 500 x 6 ( = 24 sec.
125

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3.

A train speeds past a pole in 15 seconds and a platform 100 m long in 25 seconds. Its length is:

A.
50 m
B.
150 m
C.
200 m
D.
Data inadequate

Your Answer: Option (Not Answered)

Correct Answer: Option B

Explanation:

Let the length of the train be x metres and its speed by y m/sec.

Then, x = 15     =>     y = x .
y 15

Therefore x + 100 = x
25 15

=> 15(x + 100) = 25x

=> 15x + 1500 = 25x

=> 1500 = 10x

=> x = 150 m.

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Direction (for Q.No. 4):
Insert the missing number.
4.

8, 24, 12, 36, 18, 54, (....)

A.
27
B.
108
C.
68
D.
72

Your Answer: Option (Not Answered)

Correct Answer: Option A

Explanation:

Numbers are alternatively multiplied by 3 and divided by 2.

So, the next number = 54 ÷ 2 = 27.

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5.

The diagonal of the floor of a rectangular closet is 7 feet. The shorter side of the closet is 4 feet. What is the area of the closet in square feet?

A.
5 1
4
B.
13 1
2
C.
27
D.
37

Your Answer: Option (Not Answered)

Correct Answer: Option C

Explanation:

Other side =
15 2 - 9 2
2 2
ft
=
225 - 81
4 4
ft
=
144
4
ft
= 6 ft.

Area of closet = (6 x 4.5) sq. ft = 27 sq. ft.

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6.

A trader mixes 26 kg of rice at Rs. 20 per kg with 30 kg of rice of other variety at Rs. 36 per kg and sells the mixture at Rs. 30 per kg. His profit percent is:

A.
No profit, no loss
B.
5%
C.
8%
D.
10%
E.
None of these

Your Answer: Option (Not Answered)

Correct Answer: Option B

Explanation:

C.P. of 56 kg rice = Rs. (26 x 20 + 30 x 36) = Rs. (520 + 1080) = Rs. 1600.

S.P. of 56 kg rice = Rs. (56 x 30) = Rs. 1680.

Gain = 80 x 100 % = 5%.
1600

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7.

Two pipes A and B can fill a tank in 15 minutes and 20 minutes respectively. Both the pipes are opened together but after 4 minutes, pipe A is turned off. What is the total time required to fill the tank?

A.
10 min. 20 sec.
B.
11 min. 45 sec.
C.
12 min. 30 sec.
D.
14 min. 40 sec.

Your Answer: Option (Not Answered)

Correct Answer: Option D

Explanation:

Part filled in 4 minutes = 4 1 + 1 = 7 .
15 20 15

Remaining part = 1 - 7 = 8 .
15 15

Part filled by B in 1 minute = 1
20

1 : 8 :: 1 : x
20 15

x = 8 x 1 x 20 = 10 2 min = 10 min. 40 sec.
15 3

The tank will be full in (4 min. + 10 min. + 40 sec.) = 14 min. 40 sec.

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8.

Free notebooks were distributed equally among children of a class. The number of notebooks each child got was one-eighth of the number of children. Had the number of children been half, each child would have got 16 notebooks. Total how many notebooks were distributed ?

A.
256
B.
432
C.
512
D.
640
E.
None of these

Your Answer: Option (Not Answered)

Correct Answer: Option C

Explanation:

Let total number of children be x.

Then, x x 1 x = x x 16     x = 64.
8 2

Number of notebooks = 1 x2 = 1 x 64 x 64 = 512.
8 8

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9.

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

Your Answer: Option (Not Answered)

Correct Answer: Option C

Explanation:

Let the number of students in rooms A and B be x and y respectively.

Then, x - 10 = y + 10      x - y = 20 .... (i)

     and x + 20 = 2(y - 20)      x - 2y = -60 .... (ii)

Solving (i) and (ii) we get: x = 100 , y = 80.

The required answer A = 100.

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10.

One-third of Rahul's savings in National Savings Certificate is equal to one-half of his savings in Public Provident Fund. If he has Rs. 1,50,000 as total savings, how much has he saved in Public Provident Fund ?

A.
Rs. 30,000
B.
Rs. 50,000
C.
Rs. 60,000
D.
Rs. 90,000

Your Answer: Option (Not Answered)

Correct Answer: Option C

Explanation:

Let savings in N.S.C and P.P.F. be Rs. x and Rs. (150000 - x) respectively. Then,

1 x = 1 (150000 - x)
3 2

x + x = 75000
3 2

5x = 75000
6

x = 75000 x 6 = 90000
5

Savings in Public Provident Fund = Rs. (150000 - 90000) = Rs. 60000

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Direction (for Q.Nos. 11 - 12):

Each of the questions given below consists of a statement and / or a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statement(s) is / are sufficient to answer the given question. Read the both statements and

  • Give answer (A) if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
  • Give answer (B) if the data in Statement II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
  • Give answer (C) if the data either in Statement I or in Statement II alone are sufficient to answer the question.
  • Give answer (D) if the data even in both Statements I and II together are not sufficient to answer the question.
  • Give answer(E) if the data in both Statements I and II together are necessary to answer the question.
11.

What is the capacity of a cylindrical tank?

I. 

Radius of the base is half of its height which is 28 metres.

 II. 

Area of the base is 616 sq. metres and its height is 28 metres.

A.
I alone sufficient while II alone not sufficient to answer
B.
II alone sufficient while I alone not sufficient to answer
C.
Either I or II alone sufficient to answer
D.
Both I and II are not sufficient to answer
E.
Both I and II are necessary to answer

Your Answer: Option (Not Answered)

Correct Answer: Option C

Explanation:

I gives, h = 28 m and r = 14.

Capacity = r2h, which can be obtained.

Thus, I alone gives the answer.

II gives, r2 = 616 m2 and h = 28 m.

Capacity = (r2 x h) = (616 x 28) m3.

Thus, II alone gives the answer.

Correct answer is (C).

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12.

What is the volume of 32 metre high cylindrical tank?

I. 

The area of its base is 154 m2.

 II. 

The diameter of the base is 14 m.

A.
I alone sufficient while II alone not sufficient to answer
B.
II alone sufficient while I alone not sufficient to answer
C.
Either I or II alone sufficient to answer
D.
Both I and II are not sufficient to answer
E.
Both I and II are necessary to answer

Your Answer: Option (Not Answered)

Correct Answer: Option C

Explanation:

Given, height = 32 m.

I gives, area of the base = 154 m2.

Volume = (Area of the base x Height) = (154 x 32) m3.

Thus, I alone gives the answer.

II gives, radius of the base = 7 m.

Volume = r2h = 22 x 7 x 7 x 32 m3 = 4928 m3.
7

Thus, II alone gives the answer.

Correct answer is (C).

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13.

In Arun's opinion, his weight is greater than 65 kg but less than 72 kg. His brother doest not agree with Arun and he thinks that Arun's weight is greater than 60 kg but less than 70 kg. His mother's view is that his weight cannot be greater than 68 kg. If all are them are correct in their estimation, what is the average of different probable weights of Arun?

A.
67 kg.
B.
68 kg.
C.
69 kg.
D.
Data inadequate
E.
None of these

Your Answer: Option (Not Answered)

Correct Answer: Option A

Explanation:

Let Arun's weight by X kg.

According to Arun, 65 < X < 72

According to Arun's brother, 60 < X < 70.

According to Arun's mother, X <= 68

The values satisfying all the above conditions are 66, 67 and 68.

Required average = 66 + 67 + 68 = 201 = 67 kg.
3 3

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14.

What will be the compound interest on a sum of Rs. 25,000 after 3 years at the rate of 12 p.c.p.a.?

A.
Rs. 9000.30
B.
Rs. 9720
C.
Rs. 10123.20
D.
Rs. 10483.20
E.
None of these

Your Answer: Option (Not Answered)

Correct Answer: Option C

Explanation:

Amount
= Rs. 25000 x 1 + 12 3
100
= Rs. 25000 x 28 x 28 x 28
25 25 25
= Rs. 35123.20

C.I. = Rs. (35123.20 - 25000) = Rs. 10123.20

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15.

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 4% per annum is Re. 1. The sum (in Rs.) is:

A.
625
B.
630
C.
640
D.
650

Your Answer: Option (Not Answered)

Correct Answer: Option A

Explanation:

Let the sum be Rs. x. Then,

C.I. = x 1 + 4 2 - x = 676 x - x = 51 x.
100 625 625

S.I. = x x 4 x 2 = 2x .
100 25

51x - 2x = 1
625 25

x = 625.

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16.

Ravi and Kumar are working on an assignment. Ravi takes 6 hours to type 32 pages on a computer, while Kumar takes 5 hours to type 40 pages. How much time will they take, working together on two different computers to type an assignment of 110 pages?

A.
7 hours 30 minutes
B.
8 hours
C.
8 hours 15 minutes
D.
8 hours 25 minutes

Your Answer: Option (Not Answered)

Correct Answer: Option C

Explanation:

Number of pages typed by Ravi in 1 hour = 32 = 16 .
6 3

Number of pages typed by Kumar in 1 hour = 40 = 8.
5

Number of pages typed by both in 1 hour = ( 16 + 8 ) = 40 .
3 3

Therefore Time taken by both to type 110 pages = ( 110 x 3 ) hours
40

= 8 1 hours (or) 8 hours 15 minutes.
4

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Direction (for Q.No. 17):
Find out the wrong number in the series.
17.

7, 8, 18, 57, 228, 1165, 6996

A.
8
B.
18
C.
57
D.
228
E.
1165

Your Answer: Option (Not Answered)

Correct Answer: Option D

Explanation:

Let the given numbers be A, B, C, D, E, F, G.

Then, A, A x 1 + 1, B x 2 + 2, C x 3 + 3, D x 4 + 4, E x 5 + 5, F x 6 + 6 are the required numbers.

Clearly, 228 is wrong.

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18.

A clock is started at noon. By 10 minutes past 5, the hour hand has turned through:

A.
145°
B.
150°
C.
155°
D.
160°

Your Answer: Option (Not Answered)

Correct Answer: Option C

Explanation:

Angle traced by hour hand in 12 hrs = 360°.

Angle traced by hour hand in 5 hrs 10 min. i.e., 31 hrs = 360 x 31 ° = 155°.
6 12 6

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19.

At 3:40, the hour hand and the minute hand of a clock form an angle of:

A.
120°
B.
125°
C.
130°
D.
135°

Your Answer: Option (Not Answered)

Correct Answer: Option C

Explanation:

Angle traced by hour hand in 12 hrs. = 360°.

Angle traced by it in 11 hrs = 360 x 11 ° = 110°.
3 12 3

Angle traced by minute hand in 60 min. = 360°.

Angle traced by it in 40 min. = 360 x 40 ° = 240°.
60

Required angle (240 - 110)° = 130°.

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Direction (for Q.No. 20):

Each of the questions given below consists of a question followed by three statements. You have to study the question and the statements and decide which of the statement(s) is/are necessary to answer the question.

20.

What will be the compound interest earned on an amount of Rs. 5000 in 2 years?

I. 

The simple interest on the same amount at the same rate of interest in 5 years is Rs. 2000.

II. 

The compound interest and the simple interest earned in one year is the same.

 III. 

The amount becomed more than double on compound interest in 10 years.

A.
I only
B.
I and II only
C.
II and III only
D.
I and III only
E.
None of these

Your Answer: Option (Not Answered)

Correct Answer: Option A

Explanation:

P = Rs. 5000 & T = 2 years.

I. S.I. on Rs. 5000 in 5 years is Rs. 2000.

   5000 x R x 5 = 2000         R = 8.
100

Thus I only gives the answer.

Correct answer is (A).

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