TCS Digital Number Systems Quiz – 1

Question 1 Time: 00:00:00
Find the greatest number that will divide 148 246 and 623 leaving remainders 4 6 and 11 respectively? 20

20

12

12

6

6

48

48

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Question 2 Time: 00:00:00
For any two numbers we define an operation \$ yielding another number, X \$ Y such that following condition holds:
• X \$ X = 0 for all X
• X \$ (Y \$ Z) = X \$ Y + Z
Find the Value of 2012 \$ 0 + 2012 \$ 1912? 2112

2112

100

100

5936

5936

Can not be determined

Can not be determined

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Question 3 Time: 00:00:00
If A=x3y2 and B=xy3 then find the HCF of A, B? x4y4

x4y4

xy2

xy2

xy

xy

x3

x3

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Question 4 Time: 00:00:00
In how many way possible ways can you write 1800 as a product of 3 positive integers X, Y , Z? 350

350

360

360

380

380

450

450

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Question 5 Time: 00:00:00
A number when successively divided by 5, 3, 2 gives remainder 0, 2, 1 respectively in that order. What will be the remainder when the same number is divided successively by 2, 3, 5 in that order? 4, 3, 2

4, 3, 2

1, 0, 4

1, 0, 4

2, 1, 3

2, 1, 3

4, 1, 2

4, 1, 2

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Question 6 Time: 00:00:00
Which of the following numbers must be added to 5678 to give a reminder 35 when divided by 460? 980

980

797

797

955

955

618

618

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Question 7 Time: 00:00:00
What will be the reminder when (1234567890123456789)24 is divided by 6561? 7

7

5

5

Zero

Zero

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Question 8 Time: 00:00:00
The remainder when m + n is divided by 12 is 8, and the remainder when m - n is divided by 12 is 6. If m > n, then what is the remainder when mn divided by 6? 3

3

4

4

2

2

1

1

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Question 9 Time: 00:00:00
A number 2088 by what if we divide the number it will become a perfect square? 58

58

20

20

28

28

29

29

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Question 10 Time: 00:00:00
Consider an obtuse-angled triangle with sides 8 cm, 15 cm and x cm. If x is an integer then how many such triangles exist? 5

5

21

21

10

10

none

none

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