Question

1. solve this number riddle:

i am an odd number.
i am less than 100.
the sum of my digits is 12.
i am a multiple of 15.
what number am i?

Explanation:

Step1: List multiples of 15 less than 100

Multiples of 15 less than 100 are \(15, 30, 45, 60, 75, 90\).

Step2: Filter odd numbers from the list

Odd numbers from the list: \(15, 45, 75\).

Step3: Check sum of digits for each

• For \(15\): \(1 + 5 = 6

eq12\)

• For \(45\): \(4 + 5 = 9

eq12\)

• For \(75\): \(7 + 5 = 12\) (matches)

Answer:

75