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Amazon Aptitude Questions - Interview Preparation MCQ


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19 Questions MCQ Test Company Wise Preparation - Amazon Aptitude Questions

Amazon Aptitude Questions for Interview Preparation 2024 is part of Company Wise Preparation preparation. The Amazon Aptitude Questions questions and answers have been prepared according to the Interview Preparation exam syllabus.The Amazon Aptitude Questions MCQs are made for Interview Preparation 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Amazon Aptitude Questions below.
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Amazon Aptitude Questions - Question 1

If the ratio of Rate of filling of two Pipes A and B is 3:2. If together they can fill a Tank 5/6th of Tank in 20 minutes. Then in how many does A alone can fill the Tank?

Detailed Solution for Amazon Aptitude Questions - Question 1

5/6 tank = 20 Min
Full tank = 24 Min
1/2x+ 1/3x = 1/24
x = 20, A= 2x = 40 Min

Amazon Aptitude Questions - Question 2

A car covers first 10 km with 40km/hr next 10km with 60 km and next 10 km in 20 km/hr. What is the average speed of the car?

Detailed Solution for Amazon Aptitude Questions - Question 2

Average speed = (3*20*40*60)/800+2400+1200 = 360/11

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Amazon Aptitude Questions - Question 3

The efficiency of P is 25% more then Q and Q take 25 days to complete a piece of work. P started a work alone and then Q joined her 5 days before actual completion of the work. For how many days P worked alone?

Detailed Solution for Amazon Aptitude Questions - Question 3

Efficiency (P: Q) = 5: 4
Number of days(P: Q) = 4x : 5x = 4x : 25
Therefore, Number of days required by P to finish the work alone = 4x
= 4 x 5 = 20.
P and Q work together for last 5 days = 5 x 9 = 45%
Efficiency of P = 5% and Q’s efficiency = 4%
Therefore, No. of days taken by P to complete 55% work = 55/5 = 11 days

Amazon Aptitude Questions - Question 4

A man borrows Rs 4000 at 8% compound interest for 3 years. At the end of each year, he paid Rs 500. How much amount should he pay at the end of the 3rd year to clear the debt?

Detailed Solution for Amazon Aptitude Questions - Question 4

Amount after 1 yr = 4000[1 + 8/100] = 4320
Paid 500, so P = 4320 – 500 = 3820
Amount after 2nd yr = 3820[1 + 8/100] = 4125.6
So P= 4125.6-500 = 3625.6
Amount after 3rd yr = 3625.6[1 + 8/100] = 3915.6

Amazon Aptitude Questions - Question 5

M and N are invested in a business. They earned some profit which they divided in the ratio of 2:3. If M invested Rs.30000, the amount invested by N is

Detailed Solution for Amazon Aptitude Questions - Question 5

30,000: N = 2:3
N = 90,000/2 = 45,000

Amazon Aptitude Questions - Question 6

The parameter of a square is equal to the perimeter of a rectangle of length 16 cm and breadth 14 cm. Find the circumference of a semicircle whose diameter is equal to the side of the square. (Round off your answer to two decimal places)

Detailed Solution for Amazon Aptitude Questions - Question 6

Let the side of the square be a cm.
Parameter of the rectangle = 2(16 + 14) = 60 cm
Parameter of the square = 60 cm
i.e. 4a = 60
a = 15
Diameter of the semicircle = 15 cm
Circimference of the semicircle
= 1/2(π)(15)
= 1/2(22/7)(15) = 330/14 = 23.57 cm to two decimal places

Amazon Aptitude Questions - Question 7

A cube of side one meter length is cut into small cubes of side 10 cm each. How many such small cubes can be obtained?

Detailed Solution for Amazon Aptitude Questions - Question 7

Along one edge, the number of small cubes that can be cut
= 100/10 = 10
Along each edge, 10 cubes can be cut.
Total number of small cubes that can be cut = 10 * 10 * 10 = 1000

Amazon Aptitude Questions - Question 8

FLOOD is written as 63664, How WATER is written in that code?

Detailed Solution for Amazon Aptitude Questions - Question 8

FLOOD => 6 3(1+2) 6(1+5) 6 4 = 63664
WATER => 5(2+3) 1 2(2+0) 5 9(1+8) = 51259

Amazon Aptitude Questions - Question 9

LONDON is written as MNPBRK, How MOSCOW is written in that code?

Detailed Solution for Amazon Aptitude Questions - Question 9

L(+1)O(-1) N(+2)D(-2) O(+3)N(-3)
MN PB RK
Hence, M(+1)O(-1) S(+2)C(-2) O(+3)W(-3)
NN UA RT

Amazon Aptitude Questions - Question 10

If Subbu finds that it is seventeenth from the right and eighteenth from the left in a line facing north. How many persons should be added to the line such that there are 40 people in the line?

Detailed Solution for Amazon Aptitude Questions - Question 10

If Subbu is seventeenth from the right and eighteenth from the left, the total number of people currently in the line is:
17 + 18 - 1 = 34
To make the total number of people in the line 40, we need to add:
40 - 34 = 6
So, 6 people should be added to the line for there to be 40 people in total.

Amazon Aptitude Questions - Question 11

Choose the word which is different from the rest.

Detailed Solution for Amazon Aptitude Questions - Question 11

All except Rhea are kinds of fishes.

Amazon Aptitude Questions - Question 12

Choose the word which is different from the rest.

Detailed Solution for Amazon Aptitude Questions - Question 12

All except Cube are circular figures

Amazon Aptitude Questions - Question 13

Choose the word which is different from the rest.

Detailed Solution for Amazon Aptitude Questions - Question 13

All except Aluminium all are magnetic materials.

Amazon Aptitude Questions - Question 14

Which of the following is the function of the database administration?

Amazon Aptitude Questions - Question 15

Pushing an element into stack already having five elements and stack size of 5, then stack becomes

Amazon Aptitude Questions - Question 16

With what data structure can a priority queue be implemented?

Amazon Aptitude Questions - Question 17

Express 15 as a 6-bit signed binary number.

Amazon Aptitude Questions - Question 18

Which is the predefined method available in Java to convert decimal to binary numbers?

Amazon Aptitude Questions - Question 19

What is meant by physical size in a dynamic array?

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