Question

how many fundamental units and suppmenltry units are there ? write down their name​

Answer 1

${\huge{\boxed{\boxed{\boxed{\mathtt{\purple{...A}\orange{n}\pink{s}\red{w}\blue{e}\green{R...}}}}}}}$

$\bold\red {2\: Supplementary \:Units}$

The SI consists of 28 units: 7 Base Units. 2 Supplementary Units.❤