Online Aptitude Test - Aptitude Test - Random
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- Total number of questions: 20.
- Time allotted: 30 minutes.
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Marks : 2/20
Test Review : View answers and explanation for this test.
80 = 2 x 5 x 8
Since 653xy is divisible by 2 and 5 both, so y = 0.
Now, 653x is divisible by 8, so 13x should be divisible by 8.
This happens when x = 6.
x + y = (6 + 0) = 6.
6 = 3 x 2. Clearly, 5 * 2 is divisible by 2. Replace * by x.
Then, (5 + x + 2) must be divisible by 3. So, x = 2.
| 8796 x 223 + 8796 x 77 | = 8796 x (223 + 77) [Ref: By Distributive Law ] |
| = (8796 x 300) | |
| = 2638800 |
| 2056 x 987 | = 2056 x (1000 - 13) |
| = 2056 x 1000 - 2056 x 13 | |
| = 2056000 - 26728 | |
| = 2029272. |
(325 + 326 + 327 + 328) = 325 x (1 + 3 + 32 + 33) = 325 x 40
= 324 x 3 x 4 x 10
= (324 x 4 x 30), which is divisible by30.
x = 13p + 11 and x = 17q + 9
13p + 11 = 17q + 9
17q - 13p = 2
| q = |
2 + 13p |
| 17 |
| The least value of p for which q = | 2 + 13p | is a whole number is p = 26 |
| 17 |
x = (13 x 26 + 11)
= (338 + 11)
= 349
| Given Exp. = | 800 | x | 1296 | = 450 |
| 64 | 36 |
36 = 22 x 32
84 = 22 x 3 x 7
H.C.F. = 22 x 3 = 12.
| Which of the following fractions is greater than | 3 | and less than | 5 | ? |
| 4 | 6 |
| 3 | = 0.75, | 5 | = 0.833, | 1 | = 0.5, | 2 | = 0.66, | 4 | = 0.8, | 9 | = 0.9. |
| 4 | 6 | 2 | 3 | 5 | 10 |
Clearly, 0.8 lies between 0.75 and 0.833.
| |
4 | lies between | 3 | and | 5 | . |
| 5 | 4 | 6 |
Let C's age be x years. Then, B's age = 2x years. A's age = (2x + 2) years.
(2x + 2) + 2x + x = 27
5x = 25
x = 5.
Hence, B's age = 2x = 10 years.
Increase in 10 years = (262500 - 175000) = 87500.
| Increase% = |  |
87500 | x 100 |  % = 50%. |
| 175000 |
| Required average = |
|
50 | % = 5%. |
| 10 |
: 
: 
, then the first part is:
Given ratio = : : = 6 : 8 : 9.
| 1st part = Rs. |
|
782 x | 6 | |
= Rs. 204 |
| 23 |
Let the total profit be Rs. 100.
| After paying to charity, A's share = Rs. | |
95 x | 3 | |
= Rs. 57. |
| 5 |
If A's share is Rs. 57, total profit = Rs. 100.
| If A's share Rs. 855, total profit = | |
100 | x 855 | |
= 1500. |
| 57 |
Suppose B joined for x months. Then,
| Then, | |
85000 x 12 | = | 3 | |
| 42500 x x | 1 |
| x = |
|
85000 x 12 | |
= 8. |
| 42500 x 3 |
So, B joined for 8 months.
Let the required number of days be x.
Less persons, More days (Indirect Proportion)
More working hours per day, Less days (Indirect Proportion)
| Persons | 30 | : | 39 |  |
:: 12 : x |
| Working hours/day | 6 | : | 5 |
30 x 6 x x = 39 x 5 x 12
| x = |
(39 x 5 x 12) |
| (30 x 6) |
x = 13.
hours, it must travel at a speed of:Distance = (240 x 5) = 1200 km.
Speed = Distance/Time
Speed = 1200/(5/3) km/hr. [We can write 1 hours as 5/3 hours]
| Required speed = |
|
1200 x | 3 | km/hr |
= 720 km/hr. |
| 5 |
Let speed of the car be x kmph.
| Then, speed of the train = | 150 | x | = | |
3 | x | kmph. |
| 100 | 2 |
| |
75 | - | 75 | = | 125 |
| x | (3/2)x | 10 x 60 |
| |
75 | - | 50 | = | 5 |
| x | x | 24 |
| x = |
|
25 x24 | |
= 120 kmph. |
| 5 |
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.
The towns A, B and C are on a straight line. Town C is between A and B. The distance from A to B is 100 km. How far is A from C? | |
I. | The distance from A to B is 25% more than the distance from C to B. |
II. |
The distance from A to C is |
of the distance C to B.
.__________.______________________________________. A x C (100 - x) B
Let AC = x km. Then, CB = (100 -x) km.
I. AB = 125% of CB
| 100 = |
125 | x (100 - x) |
| 100 |
| 100 - x = |
100 x 100 | = 80 |
| 125 |
x = 20 km.
AC = 20 km.
Thus, I alone gives the answer.
| II. AC = | 1 | CB |
| 4 |
| x = |
1 | (100 - x) |
| 4 |
5x = 100
x = 20.
AC = 20 km.
Thus, II alone gives the answer.
Correct answer is (C).
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.
What is the capacity of the cylindrical tank? | |
I. | The area of the base is 61,600 sq. cm. |
II. | The height of the tank is 1.5 times the radius. |
III. | The circumference of base is 880 cm. |
Capacity = 
r2h.
I gives, r2 = 61600. This gives r.
II gives, h = 1.5 r.
Thus, I and II give the answer.
Again, III gives 2r = 880. This gives r.
So, II and III also give the answer.
Correct answer is (E).
A x 2 + 1, B x 3 + 1, C x 2 + 1, D x 3 + 1 and so on.
So, 356 is wrong.