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
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.

25

12.5

75

50

25

12.5

75

50

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

2678

2367

2520

2410

2678

2367

2520

2410

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Number System
The average of five consecutive even numbers A, B, C, D and E is 42. What is the product of B and D ?

3289

4589

1760

2476

3289

4589

1760

2476

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Number System
Supply the missing figure : 2, 6, 12, 20, 30 ... 56

39

42

41

40

39

42

41

40

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Number System
A laborer is engaged for 30 days on the condition that he receives Rs.25 for each day he works and is fined Rs.7.50 for each day is absent. He gets Rs.425 in all. For how many days was he absent?

9

6

10

8

9

6

10

8

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Number System
Find the number which multiplied by 15 is increased by 196.

26

20

14

28

26

20

14

28

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Number System

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 In how many different ways can the letters of word 'BIOLOGY' be arranged ?

Number System The average of five consecutive even numbers A, B, C, D and E is 42. What is the product of B and D ?

Number System Supply the missing figure : 2, 6, 12, 20, 30 ... 56

Number System A laborer is engaged for 30 days on the condition that he receives Rs.25 for each day he works and is fined Rs.7.50 for each day is absent. He gets Rs.425 in all. For how many days was he absent?

Number System Find the number which multiplied by 15 is increased by 196.

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
In how many different ways can the letters of word 'BIOLOGY' be arranged ?

Number System
The average of five consecutive even numbers A, B, C, D and E is 42. What is the product of B and D ?

Number System
Supply the missing figure : 2, 6, 12, 20, 30 ... 56

Number System
A laborer is engaged for 30 days on the condition that he receives Rs.25 for each day he works and is fined Rs.7.50 for each day is absent. He gets Rs.425 in all. For how many days was he absent?

Number System
Find the number which multiplied by 15 is increased by 196.