Approximate Values

A train covers & distance of $85.01 km$ in $4.81 hours$. Find the approximate spped of the train.

Find:

$564.606+82.49\times 44.59-33.111=?$

What is the approximate value upto two decimal of the following:

 $\left(0.01\right)\left(1.01\right)\left(0.9\right)$?

Calculate the value of $0.001+1.01+0.01+0.1$.

What approximate value should come in place of question mark in the following question? 
${\left(87.99\right)}^2-{\left(9.9\right)}^2-{\left(14.9\right)}^2=?$

Find the approximate value of $\mathrm{Y}$, where $1524.79\times 19.92+495.26–989.75=\mathrm{Y}$.

Find the approximate value of the equation

51% of 5086 –  \( \frac{3}{7} \) of 899 = ?

What should come in place of question mark (?) in the following questions?

Simplify: $151.1\% of 151.1 + 151.1 = ?$