Tamil Nadu Board Solutions for Chapter: Measurements, Exercise 4: Try These

Write the following time in two ways: $11.30$

$4 \mathrm{hours}=$_____$\mathrm{minutes}$
 

$240 \mathrm{minutes}=$_____$\mathrm{hours}$

$30 \mathrm{minutes}=$_____ $\mathrm{seconds}$

$3600 \mathrm{seconds}=$_____$\mathrm{hours}$

$2 \mathrm{hours}=$_____$\mathrm{seconds}$

Convert the $12$ hour format into $24$ hour format and vice versa.

Janaki bought $650 \mathrm{mg}$ of a tablet. What is its weight in gram?