If a + b = 16 and ab = 68, what is the value of a² + b² ?

Number System
If a + b = 16 and ab = 68, what is the value of a² + b² ?

112

116

120

124

112

116

120

124

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Number System
In each of the following numbers, what should be the missing digit in the indicated place such that the number is a multiple of 11?

8

3

2

5

8

3

2

5

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Number System
A number when, 28 subtracted from it reduces to its one third. What is the value of 50% of that number?

24

21

84

42

24

21

84

42

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Number System
728.038 x 54.978 - 72.016 x 85.250 = ?

53900

33900

43900

23900

53900

33900

43900

23900

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Number System
The difference between a two-digit number and the number obtained by interchanging the digit is 36. What is the difference between the sum and the difference of the digits of the number if the ratio b

8

4

16

None of these

8

4

16

None of these

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Number System
What is the difference between the local value of 7 and 5 in the number 2574?

403

430

413

570

403

430

413

570

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Number System

Number System If a + b = 16 and ab = 68, what is the value of a² + b² ?

Number System In each of the following numbers, what should be the missing digit in the indicated place such that the number is a multiple of 11?

Number System A number when, 28 subtracted from it reduces to its one third. What is the value of 50% of that number?

Number System 728.038 x 54.978 - 72.016 x 85.250 = ?

Number System The difference between a two-digit number and the number obtained by interchanging the digit is 36. What is the difference between the sum and the difference of the digits of the number if the ratio b

Number System What is the difference between the local value of 7 and 5 in the number 2574?

Number System
If a + b = 16 and ab = 68, what is the value of a² + b² ?

Number System
In each of the following numbers, what should be the missing digit in the indicated place such that the number is a multiple of 11?

Number System
A number when, 28 subtracted from it reduces to its one third. What is the value of 50% of that number?

Number System
728.038 x 54.978 - 72.016 x 85.250 = ?

Number System
The difference between a two-digit number and the number obtained by interchanging the digit is 36. What is the difference between the sum and the difference of the digits of the number if the ratio b

Number System
What is the difference between the local value of 7 and 5 in the number 2574?