Infosys Divisibility Questions and Answers Quiz – 1

Question 1

Time: 00:00:00
Which digit should come in the place of * and # if the number 62684*# is divisible by both 8 and 5 ?

4 and 0

4 and 0

0 and 5

0 and 5

5 and 0

5 and 0

2 and 0

2 and 0

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Question 2

Time: 00:00:00
Find the total number of prime factors in the expression 411×75×112

18

18

31

31

29

29

20

20

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Question 3

Time: 00:00:00
If an integer n is divisible by 3, 5 and 12, what is the next larger integer divisible by all these numbers?

n + 3

n + 3

n + 5

n + 5

n + 12

n + 12

n + 60

n + 60

n + 15

n + 15

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Question 4

Time: 00:00:00
When the integer n is divided by 8, the remainder is 3. What is the remainder if 6n is divided by 8?

1

1

2

2

3

3

4

4

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Question 5

Time: 00:00:00
If n is an integer, when (2n + 2)2 is divided by 4 the remainder is

Zero

Zero

2

2

3

3

4

4

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Question 6

Time: 00:00:00
If a positive integer n is divided by 5, the remainder is 3. Which of the numbers below yields a remainder of 0 when it is divided by 5?

n + 3

n + 3

n + 2

n + 2

n - 1

n - 1

n - 2

n - 2

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Question 7

Time: 00:00:00
The integers 34041 and 32506 when divided by a three-digit integer n leave the same remainder. What can be the value of N?





can be the value of N?



289

289

367

367

453

453

307

307

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Question 8

Time: 00:00:00


How many even integers n, where 100≤n≤200 , are divisible neither by seven nor by nine?...

40

40

37

37

39

39

38

38

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Question 9

Time: 00:00:00


Let N = 1421 * 1423 * 1425. What is the remainder when N is divided by 12?...

9

9

3

3

6

6

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Question 10

Time: 00:00:00


The rightmost non-zero digit of the number 302720is...

1

1

3

3

7

7

9

9

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(30)2720, we can write it as[(30)4]680 Or,[(10*3)4]680 The right most non-zero digit depends on the unit digit of [(3)4]680. Unit digit of [(3)4]680, Or, (81)680 The unit digit of 81 is 1 so any power of 81 will always give its unit digit as 1. Thus, required unit digit is 1

(30)2720, we can write it as[(30)4]680 Or,[(10*3)4]680 The right most non-zero digit depends on the unit digit of [(3)4]680. Unit digit of [(3)4]680, Or, (81)680 The unit digit of 81 is 1 so any power of 81 will always give its unit digit as 1. Thus, required unit digit is 1

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["0","40","60","80","100"]
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