# TCS Digital Equations Quiz- 1

Question 1 Time: 00:00:00
If 43 times of two digit numbers is 34 times of two digit no .and sum of ( number and reverse of the number) is 14 then what is the number? 68

68

51

51

53

53

55

55

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Question 2 Time: 00:00:00
Find a two digit number which is doubled and after that add +2 in it and then reverse the number we would get the actual number. (Example : xy * 2 = pq => pq+2 = xy ) 22

22

24

24

27

27

25

25

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Question 3 Time: 00:00:00
On a 26 question test, 5 points were deducted for each wrong answer and 8 points were added for right answers. If all the questions were answered how many were correct if the score was zero? 11

11

12

12

7

7

10

10

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Question 4 Time: 00:00:00
How many prime numbers less that 100 and greater than 3 are of the form:4x+1 , 5y-1? 29, 89

29, 89

39, 12

39, 12

37, 14

37, 14

34, 19

34, 19

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Question 5 Time: 00:00:00
The current age difference between two persons is 25. 9 years before the elder one's age was 6 times that of the younger one. What is sum of their current ages? 62

62

78

78

53

53

40

40

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Question 6 Time: 00:00:00
Four times the first of three consecutive odd integers is 6 more than twice the third. The third integer is? 7

7

9

9

13

13

11

11

15

15

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Question 7 Time: 00:00:00

The value of y in the solution of the equation 2x + y = 2x - y = √8  is: 1/2

1/2

1/4

1/4

3/4

3/4

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Question 8 Time: 00:00:00
There are 120 legs and 50 heads of some ducks and horses grazing in a field. Find the number of horses. 20

20

40

40

10

10

40

40

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Question 9 Time: 00:00:00
If x + y = 10 and x2 + y2 = 68, then find xy 18

18

20

20

14

14

16

16

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Question 10 Time: 00:00:00
If a + b = 17 and a – b = 9 then the value of (4a2 + 4b2) is, 740

740

720

720

710

710

700

700

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