Mahabir Singh Solutions for Chapter: Knowing Our Numbers, Exercise 1: MATHEMATICAL REASONING

Identify the place value for the underlined digit of the number given below. $\mathrm{8,52}\underline{3},615$

Place value of a digit decreases by _______ times as it moves place by place from left to right.

The ascending order of  $\mathrm{X}\mathrm{X},\mathrm{}\mathrm{X}\mathrm{X}\mathrm{X}\mathrm{V}\mathrm{I},\mathrm{}\mathrm{V}$ is______

Millions period consists of the places ______ .

Raghu is $21$ years old and Kavita is $72$years old. The sum of their ages (in years) is_____.

Number name for $900800700$ in Indian System of Numeration is ____.

Estimate the difference of $15875$ and $7892$ by rounding off each number to the nearest hundred.

Place value and face value are always equal at which place?