B Nirmala Shastry Solutions for Exercise 5: EXERCISE 4.5

Insert the smallest digit at the blank places in the following numbers to make them divisible by $11$.

$72,73,$_____$45$

Find a two-digit number divisible by $3$ if the tens digit is $8$.

Find a two-digit number divisible by $3$ when both the digits are even and their difference is $0$.

Find a two-digit number divisible by $3$ when the tens digit is half of the ones digit.

Find a two-digit number divisible by $3$ when the ones digit is $5$.

Find a two-digit number divisible by $3$ when the ones digit is odd and the sum of the two digits is $6$.

Find a two-digit number divisible by $5$ if the sum of the two digits is $8$.

Find a two-digit number divisible by $5$ if both the digits are odd and the ones digit is greater than the tens digit.