Related Questions

In the correctly worked addition problem shown, where the sum of the two-digit positive integers AB and BA is the three-digit integer AAC, and A, B, and C are different digits, what is the units digit of the integer AAC?
A 9
B 6
C 3
If you add up the digits of a three -digit number you get 18 . The ten's digit is twice the hundred's digit and the hundred's digit is 13 the unit's digit. What is the number?
A 246
B 369
C 531
D 855
What is the ratio of the sum of the even positive integers between 1 and 100 (inclusive) and the sum of the odd positive integers between 100 and 150?
A 102/125
B 50/51
C 51/56
D 202/251
The average of 5 positive integers is 60. If the average of 3 of these integers is 67, what is the greatest possible value that one of the other two integers can have?
A 98.5
B 63.5
C 99
D 98
The sum of the digits of a two-digit number is 15 and the difference between the digits is 3.What is the two-digit number?
A 69
B 78
C 96
D cannot be determined
The sum of the digits of a two digit number is 15 and the difference between the digits is 3. What is the two digit number?
A 69
B 78
C 96
D 88
The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and difference of the digits of the number if the ratio between the digits the number is 1 : 2?
A 4
B 8
C 16
D 24
In a sequence of 8 consecutive integers, how much greater is the sum of the last four integers than the sum of the first four integers ?
A 10
B 12
C 14
D 16
In a sequence of consecutive integers, how much greater is the sum of the last four integers than sum of first four integers?
A 10
B 12
C 14
D 16
In a two digit number, the digit in the unit's place is two more than the three times of the digit in ten's place . If the sum of the tow digits is 6 , the number is -
A 51
B 24
C 15
D 42

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