eLitmus Number System Questions Quiz 1(A)

Question 1

Time: 00:00:00
x lies from 121 < X >1331, x^2+1 when divided by 11 what will not be the remainder?

1

1

4

4

6

6

8

8

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A

Question 2

Time: 00:00:00
How many can six digit numbers be formed using digit 1 to 6, without repetition such that the number is divisible by the digit in its unit place?

402

402

528

528

648

648

720

720

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Question 3

Time: 00:00:00
In a certain examination paper, there are n questions. For j=1,2,.......n there is 2^n-1 will answered j or more questions wrong. If the total number of wrong answers is 4095, then the value of n is ......

12

12

11

11

10

10

9

9

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Question 4

Time: 00:00:00
N= 1!+2!+3!.....+10!. what is the last digit of N^N?

1

1

2

2

3

3

4

4

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Question 5

Time: 00:00:00
A set M contains element all even number between 1 and 23 and all odd numbers 24 and 100. if all the elements of the set multiplied than how many trailing 0, resulting number will contain?

10

10

12

12

9

9

11

11

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Question 6

Time: 00:00:00
if p is a number greater than 99,e is the probability of divisibility of any even whole number p, and O is the probability of any odd whole number divisible by p, w is the probability of any whole number divisible by p.....

w=2e

w=2e

e=w/2

e=w/2

o=w/2

o=w/2

either (b) or (c)

either (b) or (c)

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Question 7

Time: 00:00:00
What is the remainder when 9^1 + 9^2 + 9^3 +...+ 9^9 is divided by 6?

zero

zero

4

4

3

3

2

2

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Question 8

Time: 00:00:00
If w,x,y, and z are distinct odd positive integers, then the maximum value of the expression (w^2+x^2)*(y^2+z^2) can be divisible by?

2

2

3

3

5

5

10

10

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Question 9

Time: 00:00:00
Given s(n) sum of first n natural no's then z(n)=2 s(n)+41 least value of n that gives z(n) is not prime?

Z(n) is always prime

Z(n) is always prime

6

6

7

7

41

41

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n=41 z(41)=41*42+41 z(41)=1763 1763 is a prime no Therefore,z(n) is always a prime

Question 10

Time: 00:00:00
476 ** 0 is divisible by both 3 and 11.The non zero digits in the hundred's and ten's places are respectively:

6 and 2

6 and 2

8 and 2

8 and 2

6 and 5

6 and 5

8 and 5

8 and 5

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["0","40","60","80","100"]
["Need more practice! \r\n \r\n","Keep trying! \r\n \r\n","Not bad! \r\n \r\n","Good work! \r\n \r\n","Perfect! \r\n \r\n"]
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Comments

One comment on “eLitmus Number System Questions Quiz 1(A)”

December 16, 2019