The difference between a two-digit number and the number obtained by interchange the two digits of the number is 27. If the sum of the two digits of the number is 13, what is their product ?

Number System
The difference between a two-digit number and the number obtained by interchange the two digits of the number is 27. If the sum of the two digits of the number is 13, what is their product ?

38

40

39

37

38

40

39

37

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Number System
When (21)² is subtracted from the square of a number the answer obtained is 1584. What is the number ?

45

65

55

35

45

65

55

35

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Number System
?125÷5x ?=6265

124

1253

153

1452

124

1253

153

1452

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Number System
The difference between 35% of a number and 18% of the same number is 93.5 then what is the 40% of that number ?

232

225

220

245

232

225

220

245

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Number System
Which one of the following is the sum of the numbers 1, 3, 5, 7, 9…. up to nth number?

N(N + 1)/2

N2

N2 + 1

N(N + 1)

N(N + 1)/2

N2

N2 + 1

N(N + 1)

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Number System
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:

24

42

18

81

24

42

18

81

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Number System

Number System The difference between a two-digit number and the number obtained by interchange the two digits of the number is 27. If the sum of the two digits of the number is 13, what is their product ?

Number System When (21)² is subtracted from the square of a number the answer obtained is 1584. What is the number ?

Number System ?125÷5x ?=6265

Number System The difference between 35% of a number and 18% of the same number is 93.5 then what is the 40% of that number ?

Number System Which one of the following is the sum of the numbers 1, 3, 5, 7, 9…. up to nth number?

Number System 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:

Number System
The difference between a two-digit number and the number obtained by interchange the two digits of the number is 27. If the sum of the two digits of the number is 13, what is their product ?

Number System
When (21)² is subtracted from the square of a number the answer obtained is 1584. What is the number ?

Number System
?125÷5x ?=6265

Number System
The difference between 35% of a number and 18% of the same number is 93.5 then what is the 40% of that number ?

Number System
Which one of the following is the sum of the numbers 1, 3, 5, 7, 9…. up to nth number?

Number System
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: