" (iv) "42.25

The area of a square is 42.25 cm². Find its perimeter (in cm).

The cost of one pen is Rs 42.25 .Find the cost of one dozen such pens.

What should come in place of both the question mark (?) in the following equation. (16)/(?) = (?)/(42.25)

What length of solid cylinder 2cm in diameter must be taken to cast into a hollow cylinder of external diameter 12cm,0.25cm thick and 15cm long? (a)42.3215cm,0.25cm thick and 1544.0625cm (d) 44.602cm

Number of significant figures in the square root of 42.25 is "_________" .

Find the square root of 42.25 using division method.