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CoCubes Number, Relations and Functions Question and Answers Quiz-1

Question 1

Time: 00:00:00
The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 36. What is the difference between the two digits of that number?

3

3

4

4

9

9

none of these

none of these

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Question 2

Time: 00:00:00
A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is:

18

18

24

24

42

42

81

81

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Question 3

Time: 00:00:00
The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is:

20

20

30

30

40

40

None of these

None of these

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Question 4

Time: 00:00:00
The sum of the digits of a two-digit number is 15 and the difference between the digits is 3. What is the two-digit number?

69

69

78

78

96

96

Cannot be determined

Cannot be determined

None of these

None of these

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Question 5

Time: 00:00:00
In a two-digit, if it is known that its unit's digit exceeds its ten's digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is:

22

22

24

24

42

42

46

46

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Question 6

Time: 00:00:00
Find a positive number which when increased by 17 is equal to 60 times the reciprocal of the number.

3

3

7

7

10

10

20

20

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Question 7

Time: 00:00:00
The product of two numbers is 9375 and the quotient, when the larger one is divided by the smaller, is 15. The sum of the numbers is:

380

380

395

395

400

400

425

425

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Question 8

Time: 00:00:00
The product of two numbers is 120 and the sum of their squares is 289. The sum of the number is:

20

20

23

23

169

169

None of these

None of these

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Question 9

Time: 00:00:00
What is the sum of two consecutive even numbers, the difference of whose squares is 84?

34

34

38

38

42

42

46

46

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Question 10

Time: 00:00:00
If one-third of one-fourth of a number is 15, then three-tenth of that number is:

54

54

36

36

48

48

52

52

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