Let's write by calculating %:-
2.250 kg out of 0.72 quintal.

Let's write by calculating %:- Rs. 2.25 out of Rs. 5.

Let's write by calculating %:- 85 gram out of 85 kg.

Let's write by calculating:- 200% of 48 gm

Let's write by calculating:- 12% of Rs. 215

Let's write by calculating:- 15% of Rs. 80

Let's write by calculating:- 118% of 37.8 metre.

Let's write by calculation the sum of measurement of interior angles of a hendecagon.

Let's calculate mentally :- -10x - 2x

Measurement of each exterior angle of a regular polygon is 144^@ . Let's write by calculation the number of sides of the polygon.

Let's write the value of pq by calculation if (2p - 3q) = 10 and (8p^3 - 27q^3) = 100