Question

What is the number?

1. Number is 3 digit number.
2. Number is less than 112 and its tens digit is 0
3. Both the ones digit and hundreds digit are odd.
4. Together, the digits have a sum of 10.

• A. 101
• B. 103
• C. 105
• D. 109

Answer 1

The correct option is D 109

$\bullet$ It is a 3-digit number.
$\bullet$ The number is less than 112.
$\bullet$ So, the number is between 100 and 112.
$\to$ Number has tens digit as 0.
$\bullet$ So, the number will lie between 100 and 110.
$\bullet$Both the ones digit and hundreds digit are odd.
So, following number have their digits odd,
101, 103, 105, 107, 109
$\bullet$ The digits have sum of 10 in 109
. So, the number is 109.

$\therefore$ The number is 109.