For the following questions answer them individually
A wheel has diameter 84 cm. The number of complete revolution it will take to cover 792 m is:
The number of letters that are preceded by a symbol but not followed by a number in the given expression is ............
$M@A#N2B40&3C5P+D2
Use each of the following figures only once and form three groups. The three groups thus formed are:
The amount of $$BaSO_4$$ formed on mixing an aqueous solution of 2.08 gm of $$BaCl_2$$ and excess of dilute $$H_2SO_4$$ is ..............Â
(atomic weights: Ba = 137, Cl = 35.5, S = 32, O = 16)