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
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:

42

18

24

81

42

18

24

81

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Number System
Which one of the following represents the sum of the first n even numbers?

N2+ 1

N(N + 1)

N2

N(N – 1)

N2+ 1

N(N + 1)

N2

N(N – 1)

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Number System
In how many different ways can the letters of the word FORMULATE be arranged ?

362880

382880

392880

372880

362880

382880

392880

372880

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Number System
(1024—263—233)÷(986—764— 156) =?

None of these

8

10

6

None of these

8

10

6

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Number System
The sum of the digits of a two-digit number is 12, and the difference between the number and the number obtained by interchanging the two digits of the number is 18. Find the number.

75

12.5

50

25

75

12.5

50

25

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Number System
How many numbers up to 100 are divisible by 7?

100

107

14

93

100

107

14

93

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Number System

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 Which one of the following represents the sum of the first n even numbers?

Number System In how many different ways can the letters of the word FORMULATE be arranged ?

Number System (1024—263—233)÷(986—764— 156) =?

Number System The sum of the digits of a two-digit number is 12, and the difference between the number and the number obtained by interchanging the two digits of the number is 18. Find the number.

Number System How many numbers up to 100 are divisible by 7?

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
Which one of the following represents the sum of the first n even numbers?

Number System
In how many different ways can the letters of the word FORMULATE be arranged ?

Number System
(1024—263—233)÷(986—764— 156) =?

Number System
The sum of the digits of a two-digit number is 12, and the difference between the number and the number obtained by interchanging the two digits of the number is 18. Find the number.

Number System
How many numbers up to 100 are divisible by 7?