$\sqrt{15 \times 163 \div 5 - 89} = ?$

If a number is multiplied by $\frac{3}{5}$ of itself,the value so obtained is $3^{2}$ less than $12^{2}$. What is $\frac{5}{3}$ of that number?

The least positive integer that should be subtracted from $3011 \times 3012$ so that the difference is a perfect square,is

On dividing a number by $56$,we get $29$ as remainder. On dividing the same number by $8$,what will be the remainder?

There are two numbers such that the sum of twice the first number and thrice the second number is $100$ and the sum of thrice the first number and twice the second number is $120$. Which is the larger number?

$\frac{(0.6^{3}-0.1^{3}-0.4^{3}-3 \times 0.6 \times 0.1 \times 0.4)}{(0.6^{2}+0.1^{2}+0.4^{2}+0.6 \times 0.1+0.6 \times 0.4-0.1 \times 0.4)}$