$\frac{3}{23}$ of $\frac{5}{12}$ of $1104 = ?$

The least number which when divided by $6, 9, 12, 15, 18$ leaves the same remainder $2$ in each case is

Rachita enters a shop to buy ice-creams,cookies,and pastries. She has to buy at least $9$ units of each. She buys more cookies than ice-creams and more pastries than cookies. She picks up a total of $32$ items. How many cookies does she buy?

$(0.83 \times 0.83 \times 0.83 + 0.17 \times 0.17 \times 0.17)$ is equal to ...........

The sum of squares of two numbers is $90$ and the square of their difference is $46$. The product of the two numbers is

The expression $\frac{8.25 \times 8.25 + 6.75 \times 6.75 - 2 \times 8.25 \times 6.75}{8.25 \times 8.25 - 6.75 \times 6.75}$ when simplified equals: