The Sum of the Squares of the Digits of a Positive

question 299

Multiple Choice

The sum of the squares of the digits of a positive two-digit number is 13, and the units digit is 1 more than the tens digit. Find the number.

• A) 23
• B) 32
• C) 34
• D) 43

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Definitions:

Compounded Monthly

A method of calculating interest in which the interest accrued in each month adds to the principal for the calculation of subsequent interest.

Effective Annual Rate

The interest rate that is annually compounded, taking into account the effects of compounding.

Perpetuity

A type of annuity that pays an infinite series of cash flows, with no end date.

Opportunity Cost

The financial consequence of skipping the immediate secondary choice while deciding.