The total number of turns in one of the water slides is a two-digit number formed using 5, 6, and 7. The sum of the digits is 12 and the difference is 0. Both the digits at the Tens and the Ones place are the same. Which of the following options makes the total number of turns?

5 Tens and 6 Ones

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7 Tens and 5 Ones

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7 Tens and 7 Ones

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6 Tens and 6 Ones

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Solution

The correct option is D 6 Tens and 6 Ones
Detailed step-by-step solution:
The sum of the digits is 12.
5 + 7 = 12
6 + 6 = 12
The difference of the digits is 0.
5 – 5 = 0
6 – 6 = 0
7 – 7 = 0
Both the digits at Tens and Ones place are the same, i.e., 6 at Tens place and 6 at Ones place.

Hence, Option C is correct.

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Using the digits $1, 2, 0 a n d 6$ make

(a).the greatest number of $4$ - digits keeping $2$ at ones place.

(b).The smallest number of $4$ - digits keeping $1$ at tens place.

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