$A$ mason can build a wall in $70$ hours. After $7$ hours,he takes a break. What fraction of the wall is yet to be built?

The difference of two numbers is $1365$. On dividing the larger number by the smaller, we get $6$ as quotient and $15$ as remainder. What is the smaller number?

$42 \%$ of a number is $357$. What is $63 \%$ of that number?

$\frac{901}{29} \times \frac{91}{301} \div \frac{51}{599} = ?$

The units digit in $3 \times 38 \times 537 \times 1256$ is

The product of two numbers is $120$ and the sum of their squares is $289$. The sum of the numbers is